F(x) = -x^2 - 4x + 13 Find f(3)

the answer is f(3) = -8

Step-by-step explanation:

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

the answer is:

mean: 6

mad: 2.14