The cost C for a business to make personalized T-shirts is given byC(x) = 7.50x + 1500wher...

The cost C for a business to make personalized T-shirts is given by

C(x) = 7.50x + 1500

where x represents the number of T-shirts.

(a) The graphs of C and C−1 are shown below. Match each function with its graph.

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(b) Explain what C(x) and C−1(x) represent in the context of the problem.