Question
Asked Nov 20, 2019
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Give a formula for the function illustrated using a vertical shift and reflection of an exponential function. The two points marked on the graph are ?=(−1,51)A=(−1,51) and ?=(1,3)B=(1,3). The red horizontal line is given by ?=1y=1, and is a horizontal asymptote of the function.

 

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Expert Answer

Step 1

Given,

Two points on the graph A=(−1,51) and B=(1,3) and a horizontal line y=1

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For any constants a and d, the function can be written as f(x)= a(b) +d , and then shifts the parent function f(x)=b*

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Step 2

From the graph, the function has horizontal asymptote y=1. Therefore, the value of d is 1. Then

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f(x)= ab ...(1)

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Step 3

Substitute the point A= (&minu...

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f(1)b1 51 ab1 =b-1+c a 50 = b a 50b.(2)

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