Precalculus
Improve your experience by picking them
Find the derivative of the function f(x)=4x2−9xf(x)=4x^2-9x.
f′(x)=4x−18f^{\prime}\left(x\right)=4x-18
f′(x)=8x−9f^{\prime}\left(x\right)=8x-9f′(x)=8x−9
f′(x)=0f^{\prime}\left(x\right)=0
f′(x)=4x−9f^{\prime}\left(x\right)=4x-9