Question

How can you find `f(2)` if `f(x) = 3x^2 - 2`?

Answer 1

`f(2)=10`

Explanation:

`f(2)` is the output value of `f(x)` when every `x` variable in `3x^2-2` is replaced with a `2`.

Thus,

`color(green)f(2)=3(2)^2-2`

`=3(4)-2`

`=12-2`

`=color(green)(|bar(ul(color(white)(a/a)color(black)(10)color(white)(a/a)|)))`