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tatuchka [14]
3 years ago
5

Write an equation for the exponential function represented in the graph below.

Mathematics
2 answers:
oee [108]3 years ago
8 0

Answer:

y=4(2^x)

Step-by-step explanation:

we know that  

The exponential function is of the form

y=a(b^x)

where

a is the initial value or y-intercept

b is the base or factor growth

r is the rate of change

In this problem we have

looking at the graph

Is a exponential growth function (as the value of x increases the value of y increases)

so

b > 1

The y-intercept is the point (0,4)

so

a=4

substitute

y=4(b^x)

From the graph take the point (1,8)

substitute in the exponential function and solve for b

8=4(b^1)\\b=8/4\\b=2

therefore

The exponential function is equal to

y=4(2^x)

lions [1.4K]3 years ago
5 0

Answer: y=4(2)ˣ  or  y=4 · 2ˣ  or  f(x)=4(2)ˣ  or  f(x)=4 · 2ˣ

Step-by-step explanation:

Saw this on Algebra Nation, got it correct.

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Answer: For 6 cups of gravy, Yolanda will have 36 servings of potatoes

Step-by-step explanation:

Step 1

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