The function is
\(f(x)=4(\frac{1}{2})^x\)The given function is an exponential function.
A characteristic of these type of function is that it never crosses the x-axis.
If the base is between 0 and 1 and positive, then the function will be always over the x-axis.
The greater the value of x, the more close it would come to the x-axis but it will never reach it, this is called an horizontal asympote.→ since it has an horizontal asympote it will never be zero, it means that it does not have a minimum value, it just keeps decreasing until infinity.
F SCALE 4 1 2 3 2 2 0 0 0 0 1 3 0 3 1 0 0 0 0 0 0 1 0 1 4 3 0 1 1 1 1 0 0 1 1 1 1 2 0 1 2 0 4 0 1 0 3 0 F SCALE LENGTH (MI) 39.80 5.00 0.06 0.10 9.00 14.40 4.20 1.52 10.01 0.09 0.20 6.42 5.73 1.75 15.00 0.50 0.15 0.38 0.28 57.00 2.87 0.21 29.60 6.00 2.00 28.01 7.10 2.29 0.56 1.00 1.00 0.50 2.52 0.51 0.50 2.40 4.09 2.00 0.60 5.00 0.80 0.26 6.00 3.20 5.70 0.16 21.00 1.83 3.50 1.00 LENGTH (MI) WIDTH (YD) 400 100 100 200 400 50 50 30 25 50 20 300 40 50 100 200 10 30 50 50 50 30 10 100 50 800 100 350 150 50 100 20 50 70 50 450 50 150 80 75 27 75 400 60 1200 50 100 100 150 50 WIDTH (TD) Use software or a calculator to find the range, variance, and standard deviation of the F-scale measurements from the tornadoes listed the data set available below. Be careful to account for missing data. Click the icon to view the tornado data. can be deleted from the Since the data are missing at random, the tornadoes with missing values data set. The range of the F-scale measurements is (Round to one decimal place as needed.)
The range, variance, and standard deviation of the F-scale measurements from the tornadoes listed the data set available below are:Range ≈ 4Variance ≈ 1.9177Standard deviation ≈ 1.3857
Range of F-scale measurements: To find the range, we need to calculate the difference between the maximum and minimum values. Here are the maximum and minimum values: F SCALE4 1 2 3 2 2 0 0 0 0 1 3 0 3 1 0 0 0 0 0 0 1 0 1 4 3 0 1 1 1 1 0 0 1 1 1 1 2 0 1 2 0 4 0 1 0 3 0So, the maximum value is 4 and the minimum value is 0.Range= 4-0=4Variance of F-scale measurements :The formula for calculating the variance is:σ² = Σ(x-μ)² / nwhere,Σ means “sum”μ means “average” n means “number of values” First, let's calculate the average.μ = Σx / nwhere,Σ means “sum”n means “number of values” The sum of the values is:4+1+2+3+2+2+0+0+0+0+1+3+0+3+1+0+0+0+0+0+0+1+0+1+4+3+0+1+1+1+1+0+0+1+1+1+1+2+0+1+2+0+4+0+1+0+3+0=44The number of values is: n = 47So, the average is:μ = 44 / 47μ ≈ 0.936The sum of the squared differences is:(4-0.936)² + (1-0.936)² + (2-0.936)² + (3-0.936)² + (2-0.936)² + (2-0.936)² + (0-0.936)² + (0-0.936)² + (0-0.936)² + (0-0.936)² + (1-0.936)² + (3-0.936)² + (0-0.936)² + (3-0.936)² + (1-0.936)² + (0-0.936)² + (0-0.936)² + (0-0.936)² + (0-0.936)² + (0-0.936)² + (0-0.936)² + (1-0.936)² + (0-0.936)² + (1-0.936)² + (4-0.936)² + (3-0.936)² + (0-0.936)² + (1-0.936)² + (1-0.936)² + (1-0.936)² + (1-0.936)² + (0-0.936)² + (0-0.936)² + (1-0.936)² + (1-0.936)² + (1-0.936)² + (1-0.936)² + (2-0.936)² + (0-0.936)² + (1-0.936)² + (2-0.936)² + (0-0.936)² + (4-0.936)² + (0-0.936)² + (1-0.936)² + (0-0.936)² + (3-0.936)² + (0-0.936)²≈ 90.1618Therefore,σ² = Σ(x-μ)² / n = 90.1618 / 47σ² ≈ 1.9177Standard deviation of F-scale measurements: The standard deviation is the square root of the variance.σ = sqrt(σ²)σ = sqrt(1.9177)σ ≈ 1.3857T
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(5y - 23)
(2x + 13)
(3x)
47°
ANSWER = 8460x (5y-23)(2x+13)
60
Find the exact length of the third side.
4
2
help me pick the answer and its due in 2 mins
Answer:
B anddddddddd D I hope this helps
Step-by-step explanation:
Answer:
Its number 2,3 and 4 not the first one
Step-by-step explanation:
If f(x)=-5x-4, then f(2)=
Answer:
f(x) = -5(2)-4 f(x) = -10-4 f(x) = -14
Step-by-step explanation:
You put in the number 2 for the variable x
What is the vertex of g(x) = –3x2 18x 2? (3, –25) (–3, –25) (3, 29) (–3, 29)
Answer:
f(x) = -(x + 8)(x -14)
= -(x2 - 112 - 6x)
= -x2 + 6x + 112 --- (1)
We know the graph of an equation y = ax2 + bx + c where a ≠ 0 is a parabola. The parabola opens upwards if a > 0 and opens downwards if a < 0. The vertex of the parabola is the point where the axis and parabola intersect. Its x coordinate x = -b/2a and its y coordinate is found out by substituting x = -b/2a in the parabola equation.
The parabola given in the problem statement has a negative coefficient of x2 and hence it is a parabola which opens downwards. Also for the equation
a = -1, b = 6 and c = 112. Therefor the x-coordinate of the vertex is
x = -b/2a
= -(6)/[2(-1)]
= 3
Substituting the value of x = 3 in equation (1) we get,
Now y = -(3)2 + 6(3) + 112
= -9 + 18 + 112 = 121
So the vertex point coordinates are (3, 121) and the y value is 121.
The graph below verifies the vertex point.
vertex of the graph
What is the y-value of the vertex of the function f(x) = -(x + 8)(x - 14)?
Summary:
The y-value of the vertex of the function f(x) = -(x + 8)(x - 14) is 121.
If the gradient of the tangent to
\(y = \sqrt{x} \)
is
\( \frac{1}{6} \)
at point A, find the coordinates of A.
Answer:
Point A(9, 3)
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityAlgebra I
Coordinates (x, y) Functions Function Notation Terms/Coefficients Anything to the 0th power is 1Exponential Rule [Rewrite]: \(\displaystyle b^{-m} = \frac{1}{b^m}\) Exponential Rule [Root Rewrite]: \(\displaystyle \sqrt[n]{x} = x^{\frac{1}{n}}\)Calculus
Derivatives
Derivative Notation
Derivative of a constant is 0
Basic Power Rule:
f(x) = cxⁿ f’(x) = c·nxⁿ⁻¹Derivative Rule [Chain Rule]: \(\displaystyle \frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)\)
Step-by-step explanation:
Step 1: Define
Identify
\(\displaystyle y = \sqrt{x}\)
\(\displaystyle y' = \frac{1}{6}\)
Step 2: Differentiate
[Function] Rewrite [Exponential Rule - Root Rewrite]: \(\displaystyle y = x^{\frac{1}{2}}\)Basic Power Rule: \(\displaystyle y' = \frac{1}{2}x^{\frac{1}{2} - 1}\)Simplify: \(\displaystyle y' = \frac{1}{2}x^{-\frac{1}{2}}\)[Derivative] Rewrite [Exponential Rule - Rewrite]: \(\displaystyle y' = \frac{1}{2x^{\frac{1}{2}}}\)[Derivative] Rewrite [Exponential Rule - Root Rewrite]: \(\displaystyle y' = \frac{1}{2\sqrt{x}}\)Step 3: Solve
Find coordinates of A.
x-coordinate
Substitute in y' [Derivative]: \(\displaystyle \frac{1}{6} = \frac{1}{2\sqrt{x}}\)[Multiplication Property of Equality] Multiply 2 on both sides: \(\displaystyle \frac{1}{3} = \frac{1}{\sqrt{x}}\)[Multiplication Property of Equality] Cross-multiply: \(\displaystyle \sqrt{x} = 3\)[Equality Property] Square both sides: \(\displaystyle x = 9\)y-coordinate
Substitute in x [Function]: \(\displaystyle y = \sqrt{9}\)[√Radical] Evaluate: \(\displaystyle y = 3\)∴ Coordinates of A is (9, 3).
Topic: AP Calculus AB/BC (Calculus I/II)
Unit: Derivatives
Book: College Calculus 10e
Pls help me this is due Monday 9/12/22
It’s about statements in geometry and I’m confused
Answer:
what are the given options? :)
Identify the pieces of the cytoplasmic membrane correctly. drag the appropriate labels to their respective targets.
The cytoplasmic membrane consists of phospholipids, proteins, and other molecules.
The cytoplasmic membrane, also known as the plasma membrane, is a vital component of cells in both prokaryotes and eukaryotes. It surrounds the cell, separating its internal contents from the external environment. The main structural component of the cytoplasmic membrane is phospholipids. These phospholipids form a lipid bilayer, with hydrophilic (water-loving) heads facing outward and hydrophobic (water-fearing) tails facing inward. This lipid bilayer provides a barrier that controls the movement of substances in and out of the cell.
In addition to phospholipids, the cytoplasmic membrane contains proteins. These proteins are embedded within the lipid bilayer and have various functions. Some proteins act as transporters, facilitating the movement of molecules across the membrane. Others serve as receptors, allowing the cell to detect and respond to signals from the environment. Enzymes involved in cellular metabolism can also be found in the cytoplasmic membrane. Additionally, the cytoplasmic membrane may contain other molecules such as cholesterol, which helps maintain the fluidity and stability of the membrane.
Overall, the cytoplasmic membrane is a complex structure composed of phospholipids, proteins, and other molecules. It plays a crucial role in maintaining the integrity of the cell and regulating the exchange of substances with the external environment.
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If 16 of 200 apples were bad, what percent is that?
A
8%
B
10%
C
12%
D
16%
Answer:
:)
Step-by-step explanation:
It's 8 percent! Mark brainliest pls
Can somebody help me with this ?? :)
Please help geometry people.
Answer:
Since QPR is an isoscelese triangle, QP and PR are congruent.
Therefore PR = 8
My guess for ST is z=1. So (5z = 5) and( 2z = 2). Then add 3 to 2 and you get 5. So ST = 5
Step-by-step explanation:
Hope this helps!!!
Please mark brainliest.
The water level in a tank rises by 2/3 foot every 1/5 hour.at what rate is the water level rising
Answer: 10/3 every hour
Step-by-step explanation:
The rate the water level is rising is 3 feet and 4 inches per hour.
find the location of point A after a rotation of 90 clockwise around the origin
Answer:
(6,-4)
Step-by-step explanation:
why does -5/10 equal 5/-10 ? explain..
Answer:
-5/10 equals to 5/-10 because even though the numerator/denominator is negative, when you simplify -5/10 or 5/-10, it give you -1/2 and 1/-2.
Step-by-step explanation:
PLEASE HELP ME ITS DUE RNN
Answer:
It's B , or #2
2x-3y<7
Step-by-step explanation:
St
Problems
1 1.3 - (-2.5)
يا
إجابة:
3.8
شرح خطوة بخطوة:
\(1.3 - (-2.5)\)
\(=1.3+2.5\)
\(=3.8\)
Answer:
3.8
Step-by-step explanation:
negative by negative = positive.
1.3 + 2.5 = 3.8
i need help on this question !!!
Answer:
C is the right answer I think
Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each. What equation in standard form determines the numbers of hardcover books x and paperback books y he can buy?.
Answer:
x = 2
y = 5
Step-by-step explanation:
when you think of how many times 5 can go into 10 it is 2
then think of how many times 2 can go into 10 which is 5
then you add the two and it equals 20$
Marcos needs to buy a piece of fabric with a length of 1.3 meters. The fabric costs $0.45 per inch.
2.54cm $0.45
Marcos determines the calculation as 1.3m (100 cm -) ( :)
= 148.59
lin
lin.
What is the error in Marcos' reasoning, and how much will the fabric cost?
CA Marcos made an incorrect conversion from centimeters to inches. The correct price is $23.03.
B
Marcos made an incorrect conversion from centimeters to inches. The correct price is $14.86.
С
Marcos made an incorrect conversion from meters to centimeters. The correct price is $23.03.
D
Marcos made an incorrect conversion from meters to centimeters. The correct price is $14.86.
Marcos made an incorrect conversion from centimeters to inches. The correct price is $23.03. Option C is correct.
What is the error?An error is a mistaken or erroneous action. In some contexts, an error is interchangeable with a mistake.
The discrepancy between the calculated value and the correct value is referred to as an “error” in statistics.
The length of fabric= 1.3 meters.
Cost of fabric=$0.45 per inch
1 meter =39.3701 inch
1.3 meter =1.3 × 39.3701 inch
1.3 meter = 51.18 inch
Cost of fabric per unit length(inch);=$0.45
The cost of the fabric is;
Cost of fabric=$0.45 ×51.18 inch
Cost of fabric=$23.03
Marcos made an incorrect conversion from centimeters to inches. The correct price is $23.03. The fabric cost will be, $23.03
Hence,option C is correct.
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Find one value of x that is a solution to the equation:
(3x-2)^2-4=9x-6
Answer:
x = 2, x = 1/3
Step-by-step explanation:
(3x-2)^2-4=9x-6
9x^2-12x=9x-6
9x^2-12x+6=9x
9x^2-21x+6=0
(then solve with quadratic formula)
x = 2, x = 1/3
Which ones is it? Correct will get branilist
Answer:
\( 5.99 \times {10}^{ - 9} \\ \\ 1.80 \times {10}^{9} \\ \\ 3.42 \times {10}^{ - 9} \)
Step-by-step explanation:
Following numbers are written in scientific notations.
\(5.99 \times {10}^{ - 9} \\ \\ 1.80 \times {10}^{9} \\ \\ 3.42 \times {10}^{ - 9} \)
please help ( if you can then please help with
both questions )
Answer:
For number 1, -1.125 and -9/8. For number 2, -46.
Step-by-step explanation:
PLZ HELP NEED BY TODAY!!
Step-by-step explanation:
Given 5x + 8 = 118 (vertically opposite angles)
\(5x + 8 = 118 \\ 5x = 118 - 8 \\ 5x = 110 \\ x = 110 \div 5 \\ = 22\)
Will give crown helo
Answer:
\(-\frac{3}{5}\)
Step-by-step explanation:
Your points on this line are:
(4, -1) and (-1, 2)
To find slope we will use the slope formula.
\(\frac{y2-y1}{x2-x1}\)
Substitute:
\(\frac{2+1}{-1-4}\)
\(\frac{3}{-5}\)
This means the slope is
\(-\frac{3}{5}\)
what is 2(5+34-67/45*43)^2 equal to?
The value of the give expression is \(\frac{313}{748845}\) OR 4.18 × 10⁻⁴
Evaluating an ExpressionFrom the question, we are to determine the value of
2(5+34-67/45*43)^2
This can be written as
\(2 (\frac{5+34-67}{45 \times 43 })^{2}\)
First, we will simplify the bracket
\(2 (\frac{-28}{1935 })^{2}\)
Then, we get
\(2 \times \frac{-28}{1935 }\times \frac{-28}{1935 }\)
= \(\frac{1568}{3744225}\)
= \(\frac{313}{748845}\) OR 4.18 × 10⁻⁴
Hence, the value of the give expression is \(\frac{313}{748845}\) OR 4.18 × 10⁻⁴
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simplify squ9 a^2 +squ49b - a + squb
The simplified expression is 2a + 8√b. The expression is √(9a²) + √(49b) - a + √(b) and to simplify this expression, follow these steps:
1. Simplify the square root of each perfect square term:
√(9a²) = 3a, because 9 is a perfect square and the square root of 9 is 3, and the square root of a² is a.
√(49b) = 7√b, because 49 is a perfect square and the square root of 49 is 7, but b is not a perfect square, so we leave it under the square root.
2. Rewrite the expression with the simplified terms:
3a + 7√b - a + √b
3. Combine like terms:
(3a - a) + (7√b + √b)
2a + 8√b
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At the same time of day, a man who is 75 inches tall casts a 50-inch shadow and his son casts a 22-inch shadow. What is the son's height?
Answer: i think its 55 but im not sure
Answer:
33 inches tall (see below)
Step-by-step explanation:
You can make a ratio to simplify the situation:
75 in. tall x in. tall
---------------------- = ---------------------
50 in. shadow 22 in. shadow
Cross multiply:
75 (22) = 50 (x)
1650 = 50x
33 = x
x = 33 in. tall
triangle ABC has vertices, A(4,4), B(-1,4), and C(1,6). find the orthocenter
Answer:
(1,7)
Step-by-step explanation:
Because it is :)
The following table provides a probability distribution for the random variable y. a. Compute E(y) (to 1 decimal). b. Compute Var(y) and σ (to 2 decimals). Var(y)
The expected value of the random variable y is computed to be 3.8.The variance of y is calculated to be 4.06, and the standard deviation is approximately 2.02.
To compute the expected value of the random variable y, we multiply each value of y by its corresponding probability and sum them up. In this case, we have:
E(y) = (2)(0.2) + (4)(0.1) + (5)(0.3) + (8)(0.2) + (10)(0.2) = 0.4 + 0.4 + 1.5 + 1.6 + 2 = 3.8.
To calculate the variance of y, we first need to compute the squared deviations from the expected value for each value of y, multiply them by their corresponding probabilities, and sum them up. Then, subtracting the squared expected value of y gives us the variance. Using the formula:
Var(y) = \(E[(y - E(y))^2],\)
we have:
Var(y) = \([(2 - 3.8)^2](0.2) + [(4 - 3.8)^2](0.1) + [(5 - 3.8)^2](0.3) + [(8 - 3.8)^2](0.2) + [(10 - 3.8)^2](0.2),\)
Var(y) = 0.36 + 0.04 + 0.36 + 4.84 + 36,
Var(y) = 4.06.
Finally, the standard deviation (σ) is the square root of the variance:
σ = √Var(y) ≈ √4.06 ≈ 2.02.
Therefore, the variance of y is 4.06, and the standard deviation is approximately 2.02.
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