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Two functions are defined as follows.
•f(x) = x2 – 2x – 1
•g(x) = 2x - 1
Determine a simplified expression to represent (f.g)(x). Use the on-screen keyboard to type the correct answer in the box.
(f•g)(x)=​

PLEASE HELP, I HAVE LIMITED TIME!

Two functions are defined as follows fx x2 2x 1 gx 2x 1 Determine a simplified expression to represent fgx Use the onscreen keyboard to type the correct answer class=

Respuesta :

(fog)(x) = f(g(x)) = f(2x -1) = (2x - 1)^2 - 2(2x - 1) - 1 = 4x^2 - 4x + 1 - 4x + 2 - 1 = 4x^2 - 8x + 2

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