a.
To find: The inverse of function
a.
Answer to Problem 21PPS
Explanation of Solution
Given information: Total amount collected is
Calculation:
Let
Swap the variables,
Solve the equation for ‘y’ that would be our inverse.
Subtract both sides 25.
Divide both sides by 45.
The inverse function is (replace y as
b.
To find: The quantities represented by x and
b.
Answer to Problem 21PPS
In the inverse function x represents the total amount collected and the
Explanation of Solution
Given information: Total amount collected is
While calculating inverse of a function, all x are replaced with
c.
To find: The number of times Chunk mow the Foster’s lawn when he collects $1015.
c.
Answer to Problem 21PPS
Chunk mows the Foster’s lawn for 22 times.
Explanation of Solution
Given information:
Calculation:
Let’s plug in
Subtract both sides 25.
Divide both sides by 45.
Conclusion: Chunk mows the Foster’s lawn for 22 times.
Chapter 4 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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