Consider the following. (If an answer does not exist, enter DNE.)
f(x) =
x2 − 12
x − 4
(a)
Find the interval(s) on which f is increasing. (Enter your answer using interval notation.)
(b)
Find the interval(s) on which f is decreasing. (Enter your answer using interval notation.)
(c)
Find the local minimum and maximum value of f.
local minimum value
Incorrect: Your answer is incorrect.
local maximum value
Incorrect: Your answer is incorrect.
