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f(x)=x^4-24x^2 Determine the intervals of increase and decrease for f (x) Use the First Derivative Test...

f(x)=x^4-24x^2
Determine the intervals of increase and decrease for f (x)
Use the First Derivative Test to find all local maxima and minima for f (x) .

Determine the intervals where f (x) is concave up and concave down

Find any inflection points of f (x) .

Please show the work

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