What is the extreme f(x)=-4x^2+172x-1528 ?

The extreme f(x)=-4x^2+172x-1528 is Maximum(43/2 ,321)

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extreme f(x)=-4x^2+172x-1528

extreme

Maximum (\frac{43}{2}, 321)

Solution steps

f^{'} (x) = - 8 x + 172

Find intervals:

Increasing

: - \infty < x < \frac{43}{2},

Decreasing

: \frac{43}{2} < x < \infty

Plug

x = \frac{43}{2}

into

- 4 x^{2} + 172 x - 1528 : 321

Maximum (\frac{43}{2}, 321)

What is the extreme f(x)=-4x^2+172x-1528 ?
The extreme f(x)=-4x^2+172x-1528 is Maximum(43/2 ,321)