Mastery Quiz IV

Show your work.

1. Evaluate 

2. A typist starts typing. His rate, T(x), in words per minute, is given by T(x) = 30 + 2x, where x is the number of minutes since the beginning of his typing session.

a) Evaluate 

b) What does the answer to (a) mean?

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James R. Olsen, Western Illinois University
updated Sept. 1, 1998