Question

Assume f(x) = -2x + 8 and g(x) = 3x. What is the value of ( g o f) (3)?

Answer 1

6

Explanation:

when calculating (g of f)(3) you first have to substitute 3 in the f(x) equation which would be -2(3)+8=-6+8=2. then you have to do g of f, which is g(2) in this case, and 3(2)=6.

hope this helps! :D