Question

F(x)=2x^2-15 find f(-2)

Answer 1

-7

Explanation:

f(2) = 2(2)^2 - 15

f(2) = 2(4) - 15

f(2) = 8 - 15

f(2) = -7

Answer 2

Answer: -7

Explanation:

Just plug in -2 for x:

`2(-2)^2 - 15\\2 \cdot 4 - 15\\8 - 15\\\boxed{-7}`