Cost, Revenue, and Profit A college student earns income by typing term papers on a computer, which she leases (along with a printer). The student charges $4 per page for her work, and she estimates that her monthly cost when typing x pages is C(x) = .10x + 75 dollars.
(a) What is the student’s profit if she types 100 pages in 1 month?
(b) Determine the change in profit when the typing business rises from 100 to 101 pages per month.
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