Find the derivatives of the following using increment method.1.y = 6x² +10x - 3
Given
\(y=6x²+10x-3\)Find
derivatives using increment method.
Explanation
Given
\(y=6x²+10x-3\)replace x and y by
\(\begin{gathered} x+\Delta x \\ y+\Delta y \end{gathered}\)so ,
\(\begin{gathered} y+\Delta y-y=6(x+\Delta x)^2+10(x+\Delta x)-3-(6x^2+10x-3) \\ \Delta y=6x^2+6\Delta^2x^2+12\Delta x^2+10x+10\Delta x-3-6x^2-10x+3 \\ \Delta y=12\Delta x^2+6\Delta^2x^2+10\Delta x \\ \end{gathered}\)now divide by
\(\Delta x\)so ,
\(\begin{gathered} y^{\prime}=\frac{12\Delta x^2+10\Delta x+6\Delta^2x^2}{\Delta x} \\ \\ y^{\prime}=12x+10+6\Delta x \end{gathered}\)now taking limit
\(\begin{gathered} \lim_{\Delta x\to0}y^{\prime}=\lim_{\Delta x\to0}(12x+10+6\Delta x) \\ \\ y^{\prime}=12x+10 \end{gathered}\)Final Answer
Therefore , the derivative of the function using increment method is 12x + 10
the equilibrium constant for the reaction ni2+ + 6nh3
The equilibrium constant (Kc) for the reaction ni₂⁺ + 6nh₃ is [Ni(NH₃)₆]²⁺ / [Ni²⁺][NH₃]₆.
The given reaction is:
Ni₂+ + 6NH₃ ⇌ [Ni(NH₃)₆]²⁺
The equilibrium constant (Kc) for this reaction can be obtained by the formula given below
[Ni(NH₃)₆]²⁺ / [Ni²⁺][NH₃]₆
The equilibrium constant (Kc) for the reaction ni²⁺ + 6nh₃ is given as
[Ni(NH₃)₆]²⁺ / [Ni²⁺][NH₃]₆
Thus, the equilibrium constant (Kc) for the reaction ni²⁺ + 6nh₃ is [Ni(NH₃)₆]²⁺ / [Ni²⁺][NH₃]₆.
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rewrite each sum in the form a(b+c) using the distributive property and the gcf 6+22
6 + 2 2 = 2 ( 3 + 11 )
60 + 25 = 5 ( 12 + 5 )
A researcher reports t(22) = 5.30, p < .01 for an independent-measures experiment. how many individuals participated in the entire experiment?
For the entire independent-measures experiment 24 individuals are participated.
What do you mean by independent-measures experiment?Different participants are utilized in each condition of the independent variable in an experimental design known as an independent measures design, or between-groups. This indicates that a different group of participants is present for each condition of the experiment. A research strategy known as an independent measures design uses numerous experimental groups with subjects only being assigned to one group. Throughout the experiment, each participant is solely exposed to one independent variable condition. A drug trial for a novel medicine would serve as an example. This has the benefit of preventing order effects, which occur when participants behave differently as a result of the order in which conditions are done, often as a result of factors like boredom or exhaustion.
We are given the value t(22) = 5.30, p < .01
So here degree of freedom (df) is 22 and it is independent so there is two samples,
so df= n₁+n₂-2
⇒ 22 = n₁+n₂-2
⇒ n₁+n₂ = 24.
Thus for the entire experiment 24 individuals are participated.
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the height of a raspberry bus can be modeled by the function h, where h(t) gives th ehieght measured in feet and t gives the number of weeks it was plnned for 0
The given information describes a function, denoted as h(t), which models the height of a raspberry bush. The function relates the height, measured in feet, to the number of weeks since its planting.
The function h(t) represents the height of the raspberry bush at a specific time t, measured in weeks. The variable t serves as the independent variable, representing the number of weeks since the bush was planted. The function h(t) provides the corresponding height of the bush at that given time.
To fully understand the properties and behavior of the function h(t), additional information is required. This could include the specific form or equation of the function, any coefficients or parameters involved, and any additional conditions or constraints that may be present.
With this additional information, one could analyze the function to determine its specific properties, such as the growth rate, maximum height, growth pattern, or any other relevant characteristics. However, without the specific details of the function, it is not possible to provide further analysis or explanation.
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Simplify.
3 – [–(–1)]
Responses
4
2
–2
–4
Answer:
\(3-[-(-1)]=2\)
Step-by-step explanation:
\(3-(-(-1))=3-1\\\)
\(3-1=2\)
\(=2\) ← Our Solution
Hope this helps!
1. Differentiate the function f(x) = ln (81 sin^2 (x)) f’(x) 2. Differentiate the function P(t) = in ( √t2 + 9) p' (t) 3. if x2 + y2 + z2 = 9, dx/dt = B, and dy/dt = 4, find dz/dt when (x,y,z) = (2,2,1)
dz/dt =
First you will get 4dz
John and Mary had Php 384 altogether. After John gave Php 36 to Mary, Mary had 3 times as much money as John. How much money did Mary had at first?
John initially had Php 132 and Mary initially had Php 252 (384 - 132).
Let's start by setting up the equations to solve for this problem.
Let x be the amount of money John had initially.
Then, Mary had (384 - x) initially.
After John gave Php 36 to Mary, John had (x - 36) left and Mary had (384 - x + 36) = (420 - x).
We are told that Mary had three times as much money as John after this transaction, so we can write:
3(x - 36) = 420 - x
Simplifying this equation gives:
3x - 108 = 420 - x
4x = 528
x = 132
Therefore, John initially had Php 132 and Mary initially had Php 252 (384 - 132).
Answer: Mary had Php 252 at first.
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Construct a 95% confidence interval for u1 - u2. Two samples are randomly selected from normal populations. The sample statistics are given below. n1= 11 n2 = 18 x1 = 4.8 x2 = 5.2 s1 = 0.76 s2 = 0.51
The 95% confidence interval for the difference between the population means (u₁ - u₂) is (approximately) -0.73 to 0.53.
To construct the confidence interval, we can use the formula:
CI = (x₁ - x₂) ± t * √[(s₁²/n₁) + (s₂²/n₂)]
Given the sample statistics:
n₁ = 11, n₂ = 18
x₁ = 4.8, x₂ = 5.2
s₁ = 0.76, s₂ = 0.51
Degrees of freedom:
df = n₁ + n₂ - 2 = 11 + 18 - 2 = 27
Critical value (t) for a 95% confidence interval:
From a t-table or statistical software, the critical value for a 95% confidence level with df = 27 is approximately 2.052.
Standard error:
SE = √[(s₁²/n₁) + (s₂²/n₂)]
SE = √[(0.76²/11) + (0.51²/18)]
SE ≈ 0.301
Confidence interval:
CI = (x₁ - x₂) ± t * SE
CI = (4.8 - 5.2) ± 2.052 * 0.301
CI = -0.4 ± 0.617
CI ≈ (-0.73, 0.53)
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Help me with this. I seemed to have forgotten how to do this.
Answer:
c) 29
Step-by-step explanation:
from birth to 6 months, babies gain 6 ounces every week. How many ounces does a baby gain in 11 weeks ?
Answer:
156oz
Step-by-step explanation:
Hope this help and have wonderful day!!!
A man chooses a card at random from a pack of playing cards. What is the probability that the card is a diamond? Please simplify the answer to its lowest terms.
Answer: The odds of drawing a King or a heart are P(E)/P(E') = (4/13)/(9/13) = 4/9. What is the probability of getting at least one black card in a 7-card hand off a shuffled 52-card deck
Step-by-step explanation:
Find three consecutive even integers such that the product of the second and
third integers is equal to 35.
Step-by-step explanation:
first number=x
second number=x+2
third number=x+4
(x+2)(x+4)=35
x(x+4)+2(x+4)=35
x²+4x+2x+8=35
x²+6x+8=35
x²+6x=35-8
x²+6x=33
x²+6x-33=0
using that, you can find the first number,
then use the data to find the other two.
There are 8 counter seats available at a burger shop Alex and Brook goes
to eat there, but ended up fighting right before meal. In how many ways
can they sit at the counter so that there is at least one seat in between them?
Answer:
3 seats
Step-by-step explanation:
3 seat between them
Help and explain !!!!!
Answer:
yeah the answer is one of those just pick one
5x + 2y = 8 x + y = 4 if you want to solve the system of equations by addition which of the following could you do
Answer: x= 0, y = 4
Step-by-step explanation:
5x+2y=8
X+y=4 -> y=4-x
5x + 2(4-x)=8 -> 5x + 8-2x=8 -> 3x=0 -> x=0
y=4-x=4-0=4
What is the domain of F?
Answer:
Given a function f , the set x values (inputs) is the domain of f , and the set y values ( outputs ) is the range of f . The domain of a function f is all of the values for which the function is defined. For instance, 1x is not defined when x=0 . Also, √x is not defined when x is negative.
Step-by-step explanation:
Answer:
option A.
Step-by-step explanation:
if the blue dots represent the function it's domain will be the values of x for which a blue dot is raised.
The "points" have coordinates:
(0, 4)(-6, 1)(2, -5)(4, 3)(7, 3)Now, the abscissa, I.e., the x coordinate of a point represents its domain, while the ordinate, I. e., the y coordinate represents its range.
Therefore,
Domain:
{0, -6, 2, 4, 7}
Range:
{4, 1, -5, 3}
That is, option A!
Which is a function? {(7, 2), (100, 10), (13, –7), (7, 9), (10, 100), (4, –2), (5, 5)} {(1000, 10), (1000, 12), (1000, 16), (100, 5), (100, 7), (78, 3), (90, 5)} {(6, 3), (5, 2), (4, 1), (3, 0), (4, –1), (5 ,–2), (6 ,–3)} {(12, 3), (11, 2), (10, 1), (9, 0), (8, 1), (7, 2), (6, 3)}
Answer:
{(12, 3), (11, 2), (10, 1), (9, 0), (8, 1), (7, 2), (6, 3)}
Step-by-step explanation:
In a function, all x-coordinates must be different.
{(7, 2), (100, 10), (13, –7), (7, 9), (10, 100), (4, –2), (5, 5)}
7 appears twice as an x-coordinate. Not a function.
{(1000, 10), (1000, 12), (1000, 16), (100, 5), (100, 7), (78, 3), (90, 5)}
1000 appears 3 times as an x-coordinate. Not a function.
{(6, 3), (5, 2), (4, 1), (3, 0), (4, –1), (5 ,–2), (6 ,–3)}
4 appears twice as an x-coordinate. Not a function.
{(12, 3), (11, 2), (10, 1), (9, 0), (8, 1), (7, 2), (6, 3)}
All x-coordinates are different. Function.
-5 (k+4) > 2 - (3k+6)
I believe that the answer you are looking for is -8>k, or k<-8.
Solution/Explanation:
First, writing out the inequality,
-5(k+4) > 2-(3k+6)
Next, using the Distributive Property on both sides,
-5k-20 > 2-3k-6
Simplifying the right side just a little bit more,
-5k-20 > -3k-4
Adding 5k to both sides,
-5k+5k-20 > -3k+5k-4
-20 > 2k-4
Now, adding 4 to both sides,
-20+4 > 2k-4+4
-16 > 2k
Finally, dividing 2 from both sides,
So, therefore, the final answer is -8>k, or k<-8.
I hope this helped answer your question. Enjoy your day, and take care!
Which system of linear equations has only one solution? Why? How about the system of linear equations with no solution? Infinite number of solutions? Explain your answer.
The system of linear equations which has the rank of coefficient matrix equal to augmented matrix and equal to the number of unknowns, has only one solution called the unique solution.
Two types of system of equations exist- consistent and inconsistent.
Inconsistent means that it has no solution , i.e. the solution does not exist , here
Rank of augmented matrix is not equal to that of coefficient matrix.
Consistent system means a solution of the equation exists i.e.
rank of augmented matrix = rank of coefficient matrix.
Now, a consistent system can be of two types again - It may have a unique solution ,i.e.
rank of augmented matrix = rank of coefficient matrix = no. of unknowns
or an infinite number of solutions, where
rank of augmented matrix = rank of coefficient matrix < no. of unknowns (here we need to assign an arbitrary value to a free variable to find its solutions).
For e.g. let us consider the system -
x + y+ z = 0
2x + 3y + 4z = 1
Since , (0,0,0) is obviously satisfying the equation and so is a solution to this system , the given system is a consistent system .
Also, for a system to be consistent , either a unique solution exists or an infinite number of solutions exist. There is no particular number of solutions.
Here, we see that (-1,1,0) is also a solution other than the zero solution.
We can clearly see that the number of unknown variables , x,y,z is 3 and the number of equations is 2.
Thus, The system if there are fewer equations than variables has infinite solutions, equal number of equations as the unknowns has the unique solution.
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Evaluate the expression when a=6 and b=4. b - 3a
-14 is the value of the expression b - 3a at a =6 and b = 4.
What is expression?Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation.
Given an expression b - 3a
For this expression given,
a = 6 and b = 4
Thus the value of expression at given values
=> b - 3a
=> 4 - 3 * 6
=>4 - 18
=> -14
Therefore, the value of the expression b - 3a at a =6 and b = 4 is -14.
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Assume Noah Co has the following purchases of inventory during their first month of operations
First Purchase
Second Purchase
Number of Units
130
451
Cost per unit
3.1 3.5
Assuming Noah Co sells 303 units at $14 each, what is the ending dollar balance in inventory if they use FIFO?
The ending dollar balance in inventory, using the FIFO method, is $973.
The cost of each sold unit must be tracked according to the sequence of the unit's purchase if we are to use the FIFO (First-In, First-Out) approach to calculate the ending dollar balance in inventory.
Let's begin by utilizing the FIFO approach to get COGS or the cost of goods sold. In order to attain the total number of units sold, we first sell the units from the earliest purchase (First Purchase) before moving on to the units from the second purchase (Second Purchase).
First Purchase:
Number of Units: 130
Cost per unit: $3.1
Second Purchase:
Number of Units: 451
Cost per unit: $3.5
We compute the cost based on the cost per unit from the First Purchase until we reach the total amount sold to estimate the cost of goods sold (COGS) for the 303 units sold:
Units sold from First Purchase: 130 units
COGS from First Purchase: 130 units × $3.1 = $403
Units remaining to be sold: 303 - 130 = 173 units
Units sold from Second Purchase: 173 units
COGS from Second Purchase: 173 units × $3.5 = $605.5
Total COGS = COGS from First Purchase + COGS from Second Purchase
Total COGS = $403 + $605.5 = $1,008.5
To calculate the ending dollar balance in inventory, we need to subtract the COGS from the total cost of inventory.
Total cost of inventory = (Quantity of First Purchase × Cost per unit) + (Quantity of Second Purchase × Cost per unit)
Total cost of inventory = (130 units × $3.1) + (451 units × $3.5)
Total cost of inventory = $403 + $1,578.5 = $1,981.5
Ending dollar balance in inventory = Total cost of inventory - COGS
Ending dollar balance in inventory = $1,981.5 - $1,008.5 = $973
Therefore, the ending dollar balance in inventory, using the FIFO method, is $973.
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Help please (Image attached)
The value of the infinite series as n tends to 0 is: 0
How to estimate infinite series?Infinite series is defined as the sum of infinitely many numbers related in a given way and listed in a given order. Infinite series are important in mathematics and in such disciplines as physics, chemistry, biology, and engineering.
From the infinite series, we want to find the value of the series as n tends to 0.
We are given the series as:
x/2ˣ
At x = 0, we have:
0/2⁰ = 0/1 = 0
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how many five-card hands (drawn from a standard deck) contain exactly four sixes? (a five-card hand is any set of five different cards.)
Drawn from a standard deck of cards there are 27885 ways in which 4 diamonds can be drawn.
The process of placing each element of a set in the same sequence or order is known as permutation in mathematics. In other words, permuting is the act of rearranging the elements of a set if it is currently ordered. Almost all academic disciplines employ permutations by mathematicians.
They frequently appear when various orderings on a particular finite set is taken into account. Contrary to permutations, the order of selection is irrelevant when choosing components from a collection that employed the combination method.
there are 52 cards in a standard deck
There are 13 diamonds in the deck
Number of ways 4 diamonds can be drawn is = 13C4
Number of ways the 5th card can be drawn from the remaining cards of the deck = 39C1
Total number of ways in which 5 cards can be drawn is
= 13C4 × 39C1
= 27885
Hence the cards can be drawn in 278885 ways.
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Wilson's Woodworking Shop produces wood chairs and sells them for $250. The company's weekly profit, (y), depends on the number of $1.50 price increases (x) for each chair. Use the graph below to answer the question.
Graph of function with the x-axis labeled as number of price increases, and the y-axis labeled as profit. The curve begins at (0, 300), increases to (40, 1100), and then decreases through (86.904, 0).
What is the approximate value of the maximized profit?
200
800
1000
1100
The approximate value of the maximized profit include the following: D. 1100.
What is profit?In Economics, profit can be defined as a measure of the amount of money (revenue) that is generated when the selling price is deducted from the cost price of a good or service, which is usually provided by producers.
Mathematically, the profit function P(x) of a company simply refers to the revenue function R(x) minus the cost function C(x):
P(x) = R(x) - C(x)
Where:
R(x) represents the revenue or the amount of money generated.C(x) represents cost or the amount of money spent.Based on the graph of the company's weekly profit, (y), we can logically deduce that its maximized profit would occur at point (40, 1100) because this is the vertex of profit function P(x).
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what is the slope of a line with equation y-3=-1/2(x-2)
Answer:
1/2 is the slope of a line with equation y.
Suppose that Alex has 10 shirts, 7 pairs of jeans, and 8 pairs of socks in his closet. For his upcoming trip, Alex wants to prepare 4 shirts, 2 pairs of jeans, and 6 pairs of socks to bring with him. How many ways are there for Alex to choose his selection? Explain your answer. Your answer can be in exponent/permutation/combination notation, etc.
There are 123,480 ways for Alex to choose his selection.
To determine the number of ways Alex can choose his selection, we need to use the multiplication principle of counting.
The number of ways to choose 4 shirts from 10 is given by the number of combinations of 10 items taken 4 at a time:
10C4 = (10!)/(4!(10-4)!) = 210
Similarly, the number of ways to choose 2 pairs of jeans from 7 is given by the number of combinations of 7 items taken 2 at a time:
7C2 = (7!)/(2!(7-2)!) = 21
Finally, the number of ways to choose 6 pairs of socks from 8 is given by the number of combinations of 8 items taken 6 at a time:
8C6 = (8!)/(6!(8-6)!) = 28
To obtain the total number of ways for Alex to choose his selection, we need to multiply these three quantities together:
210 × 21 × 28 = 123,480
Therefore, there are 123,480 ways for Alex to choose his selection.
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Iris's checking account pays simple interest at 4% per year. She has $180 in her account. Write a linear function to model the amount of money in her checking account at any time t.
A(t)=
The amount of money in Iris's checking account can be modeled by a linear function of the form:
y = mt + b
where y is the amount of money in the account, t is the time (measured in years), m is the rate of interest, and b is the initial amount in the account.
In this case, we have m = 0.04 (since the interest rate is 4% per year) and b = 180 (since that's the initial amount in the account). Therefore, the linear function that models the amount of money in Iris's checking account at any time t is:
y = 0.04t + 180
For example, if t = 5 (years), then the amount of money in Iris's checking account is 0.04 * 5 + 180 = 198 dollars.
2. Suppose A is a n x n matrix. Write a matlab code to find: (a) sum of diagonal elements (b) product of diagonal elements (c) Execute the sum and product when A= ones (5)
it displays the computed sum and product of the diagonal elements.
Here's a MATLAB code to find the sum and product of the diagonal elements of a given matrix `A`, as well as an example execution for `A = ones(5)`:
```matlab
% Define the matrix A
A = ones(5);
% Get the size of the matrix
[n, ~] = size(A);
% Initialize variables for sum and product
diagonal_sum = 0;
diagonal_product = 1;
% Calculate the sum and product of diagonal elements
for i = 1:n
diagonal_sum = diagonal_sum + A(i, i);
diagonal_product = diagonal_product * A(i, i);
end
% Display the results
disp("Sum of diagonal elements: " + diagonal_sum);
disp("Product of diagonal elements: " + diagonal_product);
```
Example execution for `A = ones(5)`:
```
Sum of diagonal elements: 5
Product of diagonal elements: 1
```
In this example, `A = ones(5)` creates a 5x5 matrix filled with ones. The code then iterates over the diagonal elements (i.e., elements where the row index equals the column index) and accumulates the sum and product. Finally, it displays the computed sum and product of the diagonal elements.
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how do you find the longest side of a rectangle mapped on a coordinate plane?