In: Math
f(x) = x4 − 128x2 + 7
(a) Find the intervals on which f is increasing or decreasing. (Enter your answers using interval notation.)
increasing | |
decreasing |
(b) Find the local maximum and minimum values of f. (If an
answer does not exist, enter DNE.)
local minimum value | |
local maximum value |
(c) Find the intervals of concavity and the inflection points.
(Enter your answers using interval notation.)
concave up | ||||
concave down | ||||
inflection point | (x, y) =
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inflection point | (x, y) =
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