What is the extreme x^3-6x^2-15x+6 ?

The extreme x^3-6x^2-15x+6 is Maximum(-1,14),Minimum(5,-94)

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extreme x^3-6x^2-15x+6

extreme points

x^{3} - 6 x^{2} - 15 x + 6

Maximum (- 1, 14), Minimum (5, - 94)

Solution steps

f^{'} (x) = 3 x^{2} - 12 x - 15

Find intervals:

Increasing

: - \infty < x < - 1,

Decreasing

: - 1 < x < 5,

Increasing

: 5 < x < \infty

Plug

x = - 1

into

x^{3} - 6 x^{2} - 15 x + 6 : 14

Maximum (- 1, 14)

Plug

x = 5

into

x^{3} - 6 x^{2} - 15 x + 6 : - 94

Minimum (5, - 94)

Maximum (- 1, 14), Minimum (5, - 94)

f (x, y) = x^{2} + 2 y^{2} + 3 x + 10

x^{4} - 128 x^{2} + 9

f (x) = 2 x^{3} - 33 x^{2} + 144 x + 3, (4, 9)

4 - 5 x^{2}

h (x) = x^{3} + 12 x

What is the extreme x^3-6x^2-15x+6 ?
The extreme x^3-6x^2-15x+6 is Maximum(-1,14),Minimum(5,-94)