increase and decrease functions

state if these functions first increase or decrease.
a)f(x)=-2x^3+x^2-3x+3 decrease
b)f(x)=0.5(2)^3x increae
c)f(x)=2x increase


am i correct?

Quote:

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Originally Posted by william

state if these functions first increase or decrease.
a)f(x)=-2x^3+x^2-3x+3 decrease
b)f(x)=0.5(2)^3x increae
c)f(x)=2x increase


am i correct?

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you are correct