Concept explainers
a.
To find: The inverse of the function
a.
Answer to Problem 7CYU
Explanation of Solution
Given information: The function of total monthly cost is
Calculation:
Let the
Now, swap the variables to find inverse
Solve it for y to get inverse function.
Subtract both sides 600.
Divide both sides by 70.
Simplify it,
So, the inverse function is
b.
To find: The quantities represented by x and
b.
Answer to Problem 7CYU
In the inverse function, x represents cost in dollars for Dwayne for first season and
Explanation of Solution
Given information:
In the inverse function x represents cost in dollars for Dwayne for first season and
c.
To find: The number of games for the total cost for the season is $950.
c.
Answer to Problem 7CYU
Number of games attended is 5.
Explanation of Solution
Given information: In this part the total cost
Calculation:
Plug in
Subtract both sides 600,
Divide both sides by 70.
Conclusion: Number of games attended is 5.
Chapter 4 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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