PRE CALC 1A Precalculus, First Semester To the Student: WHAT TO BRING ...

PRE CALC 1A Practice Exam Answer Key 1. A. Yes, f is a function because for every x, there is one and only one y. (f passes the vertical line test.) B. x-intercepts: (–2, 0) and (3, 0); y-intercept (0, 4) C. Domain: (–∞, ∞); Range: [0, ∞) D. 1 E. x = –3, x = –1, x = 4 F. 0 G. 4 H. The limit does not exist. I. 33 lim ( ) lim ( ) xx fx fx →→+− ................
................