Question

Given f(x) = 2x² - 6, find f(7)

Answer 1

92

Explanation:

2x49=98-6=92

Answer 2

f(7) = 92

Explanation:

To find f(7), substitute x = 7 into the given function.

`\begin{aligned}f(7)&=2(7)^2-6\\&=2(49)-6\\&=98-6\\&=92\end{aligned}`