Given f (x) = 2x2 + 3x, find f (-2).

a.14

b.-2

c.2

d.-14

1 answer

To find f(-2), we substitute -2 for x in the function f(x) = 2x^2 + 3x.

f(-2) = 2(-2)^2 + 3(-2)
f(-2) = 2(4) - 6
f(-2) = 8 - 6
f(-2) = 2

Therefore, the answer is c. 2.