f(x) = x4 − 128x2 + 7 (a) Find the intervals on which f is increasing...

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) =

(smaller x-value)

inflection point

(x, y) =

(larger x-value)

Expert Solution

The solution is given below

milcah answered 3 years ago

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