Question
Asked Dec 27, 2019
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Find the points on the curve y = 2x3 + 3x2 – 12x + 9 where the tangent line is horizontal.
(x, y)
(smaller x-value)
(larger x-value)
(x, y)
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Find the points on the curve y = 2x3 + 3x2 – 12x + 9 where the tangent line is horizontal. (x, y) (smaller x-value) (larger x-value) (x, y)

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Expert Answer

Step 1

According to the given information it is required to calculate the points on the curve where tangent is horizontal which means tangent is parallel to x axis that is dy/dx = 0

The given curve is:

Calculus homework question answer, step 1, image 1
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Step 2

Now, find the derivative of y with respect to x and put it to zero.

Calculus homework question answer, step 2, image 1
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Step 3

Now, put dy/d...

Calculus homework question answer, step 3, image 1
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Derivative

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