SOLUTION: If f(x) = 2x-4 And g(x) = x2-4x 1. F(4) How Do I Do This

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Question 548070: If f(x) = 2x-4 And g(x) = x2-4x
1. F(4)
How Do I Do This
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
If f(x) = 2x-4 And g(x) = x^2-4x
Find f(4).

Just replace x with 4 for the function f(x) and simplify.

f(x) = 2x - 4

f(4) = 2(4) - 4

f(4) = 8 - 4

f(4) = 4
Done!!