Homework Help: Math

Posted by Haru on Wednesday, July 23, 2008 at 6:27pm.

Manny is a plumber and charges $50 when he visits a client and $30 per hour for every hour he works. His bill can be expressed as a function of hours, x, with the function
f(x)= 50 +30x. Which statement explains the meaning of the inverse of the function?

A)Total bill as a function of the number of hours
B)Cost per hour as a function of the total bill
C)Number of hours as a function of the total bill
D)Total bill as a function of the cost per hour

Math - drwls, Thursday, July 24, 2008 at 12:02am
The inverse function would be choice (C), since the two variables are total cost and number of hours.
Math - Mark, Sunday, January 29, 2012 at 6:17pm
c
Math - Taylor, Saturday, February 16, 2013 at 4:54pm
A
Math - aafdf, Saturday, March 16, 2013 at 2:29am
a

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