MATH 1401 #11 QUESTION 8

#11: 8a) ANSWER: f (-1) = -3 and f (2) = 15

SOLUTION: f (-1) = (-1) 2 + 5(-1) + 1 = -3 and f (2) = (2) 2 + 5(2) + 1 = 15

#11: 8b) ANSWER: f / (x) = 2x + 5

SOLUTION: D x ( x 2 + 5x + 1 ) = 2x + 5

#11: 8c) ANSWER: No

SOLUTION: f (-1) = -3 and f (2) = 15 are not equal.

ROXANNE BYRNE: UNIVERSITY OF COLORADO AT DENVER: All rights reserves