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Let f(x) =(40)/(3x^(4) +8x^(3) -18x^(2)+...

Let f(x) `=(40)/(3x^(4) +8x^(3) -18x^(2)+60).` Which of the following statement (s) about f(x) is (are ) correct ?

A

f(x) has local minima at x=0

B

f(x) has local maxima at x=0

C

absolute maximum value of f(x) is not defined .

D

f(x) is local maxima at x=- 3, x =1

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The correct Answer is:
A, C, D
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