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Q. 73

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Precalculus Enhanced with Graphing Utilities
Found in: Page 269
Precalculus Enhanced with Graphing Utilities

Precalculus Enhanced with Graphing Utilities

Book edition 6th
Author(s) Sullivan
Pages 1200 pages
ISBN 9780321795465

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Short Answer

Use the graph of y=f(x) given in the Problem 43 to evaluate the following:

(a) f(-1)

(b) f(1)

(c) f-1(1)

(d) f-1(2)

According to the graph off(x) and its inverse

(a)f(-1)=0

(b)f(1)=2

(c)f-1(1)=0

(d)f-1(2)=1

See the step by step solution

Step by Step Solution

Step 1. Given data

The given graph is

Step 2. Graph of the inverse function

Points on the graph of the function f(x) are

(-2,-2),(-1,0),(0,1),&(1,2)

then the points of the function f-1(x) will be

(-2,-2),(0,-1),(1,0),&(2,1)

So the graph of the inverse function is

Step 3. Part (a)

From the graph

(-1,0) is a point on the graph of f(x)

sorole="math" localid="1646167799685" f(-1)=0

Step 4. Part (b)

From the graph

(1,2)is a point on the graph of f(x)

sorole="math" localid="1646167820149" f(1)=2

Step 5. Part (c)

From the graph

(1,0)is a point on the graph of f-1(x)

sof-1(1)=0

Step 6. Part (d)

From the graph

(2,1)is a point on the graph of f-1(x)

sof-1(2)=1

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