Given that f(x) = 3x - 7 and that (f + g)(x) = 7x + 3, find g(x).

facas9

facas9

Answered question

2021-09-30

Given that f(x) = 3x - 7 and that (f + g)(x) = 7x + 3, find g(x).

Answer & Explanation

casincal

casincal

Skilled2021-10-01Added 82 answers

Recall that (f+g)(x)=f(x)+g(x) so we can write: 7x+3=(3x-7)+g(x)
Subtract 3x from both sides: 4x+3=-7+g(x)
Add 7 to both sides: 4x+10=g(x)
or
g(x)=4x+10

Do you have a similar question?

Recalculate according to your conditions!

New Questions in College algebra

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?