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3 years ago

Write an exponential function for the graph that passes through the points (0,4) and (2, 36). Use the formula y=ab^x

Mathematics

1 answer:

fomenos3 years ago

3 0

Answer:

Using the equation y = abx , substitute both of your given points into that equation.

2 = ab2 and 4 = ab3 Solve each equation for a.

2⁄b2 and 4⁄b3 = a Therefore, 2⁄b2 = 4⁄b3

Cross multiply: 2b3 = 4b2 Divide both sides by b2

2b = 4 a = 2/4 = 1/2

b = 2

y = 1 (2)x

Step-by-step explanation:

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Exhibit 10-7 In order to estimate the difference between the average hourly wages of employees of two branches of a department s

Leokris [45]

Answer:

$E(x)=1$

Step-by-step explanation:

From the question we are told that:

Sample mean 1 $\=x_1=$9$

Sample mean 1 $\=x_2=$8$

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Sample standard deviation 1 $\sigma_2 = $1$

Generally the equation for Point estimate is mathematically given by

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8 0

3 years ago

The product of a number and four, increased by 5.

german

I’m pretty sure the answer is 4x+5

3 0

1 year ago

Read 2 more answers

Juan starts a new coffee shop. The table shows the coffee sales at his shop for the first 5 days. What is the average rate of ch

vodomira [7]

Answer:

Average rate of change from day 2 to day 5 is $43.33/day.

Step-by-step explanation:

Sales on day 2 = 200

Sales on day 5 = 330

Rate of change = $\frac{330-200}{5-2} =\frac{130}{3}=43.33$

3 0

3 years ago

Use the distributive property to write the following expressions in expanded form. 5(7h+3m)

lilavasa [31]

Answer:

35h + 15m

Step-by-step explanation:

Step 1: Distribute

5(7h + 3m)

35h + 15m

Answer: 35h + 15m

7 0

3 years ago

Hello there! Can I get someone help please ? Thanks!

natulia [17]

Since they are right triangles use Pythagorean Theorem.
a^2 + b^2 = c^2 where c is the hypotenuse.

a. 12^2 + b^2 = 13^2
144 + b^2 = 169
subtract 144 from both sides
b^2 = 25
take the square root of both sides
t = 5 This is also know as a Pythagorean Triple 5-12-13

b. a^2 + 9^2 = 12^2
a^2 + 81 = 144
subtract 81 from both sides
a^2 = 63
take the square root of both sides
a = √63
a = √(9 * 7)
a = 3√7

c. 6^2 + 9^2 = c^2
36 + 81 = c^2
117 = c^2
take the square root of each side
c = √117
c = √(9*13)
x = 3√13

4 0

4 years ago

Write an exponential function for the graph that passes through the points (0,4) and (2, 36). Use the formula y=ab^x​

Write an exponential function for the graph that passes through the points (0,4) and (2, 36). Use the formula y=ab^x