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For the cubic function f(x)=2x^(3)+9x^(2...

For the cubic function `f(x)=2x^(3)+9x^(2)+12x+1` , which one of the following statement/statements hold good ?

A

f(x) is non - monotonic

B

f(x) increases in `(-oo,-2)uu(-1,oo)` and decreases in `(-2,-1)`

C

`f:RtoR` is bijective .

D

inflection point occurs at `x=-3//2`

Text Solution

Verified by Experts

The correct Answer is:
A, B, D
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