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

1 Answer
Jun 27, 2016

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)|)))