If f(x) = 2x + 1, and g(x) = x - 3, then g(f(x)) = 2x + ?

asked Oct 23, 2023 29.9k views

18 votes

If f(x) = 2x + 1, and
g(x) = x - 3, then
g(f(x)) = 2x + ?

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7 votes

Answer:

Below in bold.

Explanation:

To get g(f(x)) we replace the x in g(x) by f(x) and simplify:

g(f(x)) = (2x + 1) - 3

= 2x - 2.

Pankaj Parkar answered Oct 27, 2023

3.2k points

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