SOLUTION: Find the 𝑥 values for the horizontal tangent lines for 𝑓(𝑥) = (1/3)x^3 −(3/2)𝑥^2 + 2𝑥 − 4.

SOLUTION: Find the 𝑥 values for the horizontal tangent lines for 𝑓(𝑥) = (1/3)x^3 −(3/2)𝑥^2 + 2𝑥 − 4.

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Question 1148801: Find the 𝑥 values for the horizontal tangent lines for 𝑓(𝑥) = (1/3)x^3 −(3/2)𝑥^2 + 2𝑥 − 4.
Answer by ikleyn(52778) (Show Source): You can put this solution on YOUR website!
.

Take the derivative of the given function and equate it to zero.

From this quadratic equation find the needed values of x.

It is a standard prescription of Calculus.

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