Question

P(x) = x^2 + x – 2. Find P(2).
A. 0
B. 2
C. 4
D. 7

Answer 1

So you would replace every 'x' you see in your equation with 2 now...

so

P(x) = x² + x - 2

turns into

P(2) = 2² + 2 - 2

What does that come out to...?

Answer 2

2 ?

Answer 3

P(2) = 2² + 2 - 2
P(2) = 2²
P(2) = 4

Answer 4

oh! i used a calculator quick, and punched in the wrong thing. thanks for catching that!!

Answer 5

No problem!