Practice problem
What values of xxx does the function f(x)=13x3−2x2+4x−37πf(x)=\frac13x^3-2x^2+4x-37\pif(x)=31x3−2x2+4x−37π have a horizontal tangent?
x=2x=2x=2
x=1x=1x=1
x=0x=0x=0
x=−1x=-1x=−1
x=−2x=-2x=−2
Type a concept, like “slope” or “photosynthesis”.
