Posted by **Anonymous** on Thursday, April 4, 2013 at 12:55am.

To remodel a bathroom a contractor Charles $25 er hour plus material costs, which amount to $3825. Therefore, the total cost to remodel he bathroom is given by f(x)=25x+3825 where x is the number of hours the contractor works. Find a formula for f^-1(x). What does f^-1 compute?

Thanks for your help:-)

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