Question

Consider the function below. f(x) = 7 + 4x2 − x4 (a) Find the interval of...

Consider the function below.

f(x) = 7 + 4x2 − x4

(a) Find the interval of increase. (Enter your answer using interval notation.)

(b) Find the interval of decrease. (Enter your answer using interval notation.)

(c) Find the local minimum value(s). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)

(d) Find the local maximum value(s). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.)

Math   Calculus   
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