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1. Janet plans to produce exactly the number of prints that her survey predicts she will sell. Her costs include $2 per print, along with $500 in ﬁxed costs. Find a formula for C(x), Janet’s total costs, in terms of x, the number of 75 cent price increases.

A: C(x) = 500 + 2(340 − 10x)

2. Find a formula for Janet’s revenue, R(x), in terms of x, the number of 75 cent

price increases.

A: R(x) = (17 + 0.75x)(340 − 10x)