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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
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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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