MATH 021 Midterm: math21_2007s_exam1

• School: UC Merced
• Department: Mathematics
• Course: MATH 021
• Professor: All

Document Summary

There are a total of problems on both sides of this paper and a total of 100 points: no books, notes, crib sheets, calculators or any other electronic devices are allowed. If yes, nd a formula for f 1(x). If not, explain why not: (20 points) consider the piecewise function f (x) de ned below. Explain why. f (x) =(p1 + cos(x) x 0 x < 0. 2x: (20 points: 10 each) find the following limits if they exist, either as numbers or . If a limit does not exist, explain why not. (a) lim x x2 + 1 x3 x + 1 (b) lim x 1+