MATH 1401 #11 QUESTION 6

#11: 6a) ANSWER: f (1) = | 1 | = 1 and f (-1) = | -1 | = 1

#11: 6b) ANSWER:

SOLUTION: SEE WORKSHEET #10, QUESTION 3G

#11: 6c) ANSWER: No

SOLUTION: The derivative does not exist at x = 0 which is in the interval.