Consider the function below. (If an answer does not exist, enter
DNE.)
f(x) =
1
2
x4 − 4x2 + 2
(a) Find the interval of increase. (Enter your answer using
interval notation.)
(−2,0)∪(2,∞)
Find the interval of decrease. (Enter your answer using interval
notation.)
(−∞,−2)∪(0,2)
(b) Find the local minimum value(s). (Enter your answers as a
comma-separated list.)
DNE
Find the local maximum value(s). (Enter your answers as a
comma-separated list.)
2
(c) Find the...