Asked by Matthew

F(x) = 3/4x^4 –x^3 -3x^2 + 6x


Determine the interval(s) where f(x) is increasing (if any) and the interval(s) where f(x) is decreasing (if any).


How do I know where f(x) is increasing or decreasing?
Answered by Reiny
if f ' (x) > 0 , then the function is increasing
if f ' (x) < 0 , then the function is decreasing

so find the first derivative, and investigate it
Answered by Matthew
Ohhhhhhhhh THANKS
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