Posted by **Hamilton** on Friday, August 15, 2008 at 12:49am.

The cost of producing q articles is given by the function C=f(q)=100+2q.

(A) Find the formula for the inverse function.

(B) Explain in practical terms what the inverse function tells you.

I am pretty sure the answer to A is f^-1(C)=C/2-50

For B, the inverse of the function is the interchange of the dependent and indepent variable.

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