Question

8. For f(x) = 3x - 7, find f(x) when x = 4.

Of(x) = 3
Of(x) = 4
O f(x) = 5
f(x) = 6

Answer 1

Explanation:

Answer: f(x) = 5

I'm unsure if those are multiple-choice answers you are able to choose from, but if x = 4 you plug it into the equation, so you get

f(x) = 3(4) - 7

where you multiply 3 and 4 together to get

f(x) = 12 - 7

and afterward, you subtract the two together to get

f(x) = 5