Question

Given p(x)=−4(x−15)2+2 , what us the value of p(7)?

Answer 1

P(x)=-4(x-15)2+2
P(x)=7
P(7)=-4(7-15)2+2
-4*7-4*-15
P(7)=-28+60+2+2
P(7)=92

Answer 2

The value of the function p(x) for x = 7 is -254

The function is given as:

$\mathbf{p(x)=-4(x-15)^2+2}$

And the value of x is 7.

Substitute 7 for x in p(x)

$\mathbf{p(7)=-4( 7-15)^2+2}$

Subtract 15 from 7

$\mathbf{p(7)=-4(-8)^2+2}$

Tale square of -8

$\mathbf{p(7)=-4 \times 64+2}$

Multiply -4 and 64

$\mathbf{p(7)=-256+2}$

Add -256 and 2

$\mathbf{p(7)=-254}$

Hence, the value of the function p(x) for x = 7 is -254

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