Question

If P (x) = 5 − 4x + 2x^2
, find the value of p(-2)

Answer 1

Answer:

p(-2) = 21

Step-by-step explanation:

p(x) = 5 - 4x + 2x²

put x = -2

p(-2) = 5 - 4(-2) + 2(-2)²

= 5 + 8 + 2(4)

= 5 + 8 + 8

= 21