Question

Evaluate the function f(p) = p2 + 3p + 1 for p = -2. -1?

Answer 1

just replace p by it's value

Answer 2

I did and came up with -1, But when I double check it on a my phone it comes up with -9..

Answer 3

which for f(-1) or f(-2) ?

Answer 4

-2

Answer 5

4-6+1=-1

Answer 6

okay to check your answer replace f(p) by -1
if both sides are equal then ur answer is right

Answer 7

that's right

Answer 8

Cool thanks, I don't know why or how my phone was wrong.

Answer 9

np
or you have to substitute -1 too