Functional notation: If ƒ(x) = x²-1 and g(x) = 3x, calculate g(4) / ƒ(2)

Question

If ƒ(x) = x²-1 and g(x) = 3x, calculate g(4) / ƒ(2)

Someone please help!

Answer 1

The functions are f(x) = x^2 - 1 and g(x) = 3x.

f(2) = 2^2 - 1

= 4 - 1

= 3.

g(4) = 3(4)

= 12.

g(4)/f(2) = 12/3

= 4.