Question

Given f(x)=2x^2 evaulate f(-6)
72
78
-72
441
-441

Answer 1

Answer: 72

Explanation:

1) Plug in -6 for x to get f(-6)=2(
`-6^(2)`)

2) PEMDAS time! Inside the parenthesis, we have
`-6^2`, and -6 * -6 = 36. We now have f(-6) = 2(36)

3) Multiply 2 and 36 to get 72