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Popular >

extreme f(x)=-3x^2+42x-141

Solution

extreme points

f (x) = - 3 x^{2} + 42 x - 141

Solution

Maximum (7, 6)

Solution steps

f^{'} (x) = - 6 x + 42

Find intervals:

Increasing

: - \infty < x < 7,

Decreasing

: 7 < x < \infty

Plug

x = 7

into

- 3 x^{2} + 42 x - 141 : 6

Maximum (7, 6)

Popular Examples

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Frequently Asked Questions (FAQ)

What is the extreme f(x)=-3x^2+42x-141 ?
The extreme f(x)=-3x^2+42x-141 is Maximum(7,6)