For his services, a private investigator requires a $400 retainer fee plus $85 per hour. Let x represent the number of hours the investigator spends working on a case. (a) Find a function f that models the investigator's fee as a function of x. f(x) = (b) Find f-1. f-1(x) = What does f-1 represent? O f-1 represents the amount in dollars paid for x numbers of hours of investigation. f-1 represents the amount in dollars paid beyond the retention fee for x numbers of hours of investigation. O f-1 represents the number of hours of investigation the investigator spends on a case for x dollars. f-1 represents the maximum number of hours of investigation the investigator will spend on a case. f-l represents the amount paid per each hour of investigation. (c) Find f-1(910). f-1(910) = What does your answer represent? O f-1(910) represents the amount in dollars paid for 910 hours of investigation. f-1(910) represents the amount in dollars paid beyond the retention fee for 910 hours of investigation. O f-1(910) represents the number of hours of investigation the investigator spends on a case for $910. O f-1(910) represents the maximum number of hours of investigation the investigator will spend on a case. O f-1(910) represents the amount paid per each hour of investigation.
For his services, a private investigator requires a $400 retainer fee plus $85 per hour. Let x represent the number of hours the investigator spends working on a case. (a) Find a function f that models the investigator's fee as a function of x. f(x) = (b) Find f-1. f-1(x) = What does f-1 represent? O f-1 represents the amount in dollars paid for x numbers of hours of investigation. f-1 represents the amount in dollars paid beyond the retention fee for x numbers of hours of investigation. O f-1 represents the number of hours of investigation the investigator spends on a case for x dollars. f-1 represents the maximum number of hours of investigation the investigator will spend on a case. f-l represents the amount paid per each hour of investigation. (c) Find f-1(910). f-1(910) = What does your answer represent? O f-1(910) represents the amount in dollars paid for 910 hours of investigation. f-1(910) represents the amount in dollars paid beyond the retention fee for 910 hours of investigation. O f-1(910) represents the number of hours of investigation the investigator spends on a case for $910. O f-1(910) represents the maximum number of hours of investigation the investigator will spend on a case. O f-1(910) represents the amount paid per each hour of investigation.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter9: Quadratic Functions And Equations
Section9.9: Combining Functions
Problem 11CYU
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Transcribed Image Text:For his services, a private investigator requires a $400 retainer fee plus $85 per hour. Let x represent the number of
hours the investigator spends working on a case.
(a) Find a function f that models the investigator's fee as a function of x.
f(x) =
(b) Find f-1.
f-1(x) =
What does f-1 represent?
O f-1 represents the amount in dollars paid for x numbers of hours of investigation.
f-1 represents the amount in dollars paid beyond the retention fee for x numbers of hours of
investigation.
O f-1 represents the number of hours of investigation the investigator spends on a case for x dollars.
f-1 represents the maximum number of hours of investigation the investigator will spend on a case.
f-l represents the amount paid per each hour of investigation.
(c) Find f-1(910).
f-1(910) =
What does your answer represent?
O f-1(910) represents the amount in dollars paid for 910 hours of investigation.
f-1(910) represents the amount in dollars paid beyond the retention fee for 910 hours of investigation.
O f-1(910) represents the number of hours of investigation the investigator spends on a case for $910.
O f-1(910) represents the maximum number of hours of investigation the investigator will spend on a case.
O f-1(910) represents the amount paid per each hour of investigation.
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