To find: inverse of the given function, if exist.
Answer to Problem 122E
The function has its inverse.
Explanation of Solution
Given information :
A function is given as:
Concept used:
A function has an inverse if the function is one to one and onto.
A vertical line should intersect the function once.
Inverse of any function can be found by considering
Calculation :
Consider the given function.
Let’s apply vertical line test on the function as shown:
Here, the vertical line
Therefore, the function
Now, evaluate the inverse as shown:
Consider
So,
Replace
Now, express
Hence,
Chapter 5 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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