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Mathematics 11 Online
OpenStudy (notsmartatall):

choose the statement that is true for the graph of f(x)=x^3-12x a. fx increases for x>-2 b. fx decreases for x>-2 c. fx increases for x>2 d. fx decreases for x<2

OpenStudy (phi):

is this calculus ?

OpenStudy (notsmartatall):

yes

OpenStudy (phi):

you could graph this. or you could find the derivative, and the critical points can you find the derivative ?

OpenStudy (notsmartatall):

i graphed it but i cant tell which option it could be

OpenStudy (phi):

can you find the derivative ?

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