Question

Let f(x) = 3x^2 - 1 and g(x) = 2/x. What is the value of f(g(4))?

Answer 1

Solve g(x) first (Use the value of 4) then take that answer and plug in for x in the function f(x).

Answer 2

11?

Answer 3

What will be g(x)?

Answer 4

2?

Answer 5

Nevermind, I'm stupid. It's 1/2

Answer 6

So f(x) =3 (1/2)^2 correct

Answer 7

Yes
so the answer is -1/4

Answer 8

1/2 squared is 1/4 multiply that by 3 and you get 3/4.

Answer 9

but then -1?

Answer 10

Missed that..ypu are right...sorry