Let f(x) = 4x - 5 and g(x) = 3x + 7. Find f(x) + g(x) and state its domain.

Question

asked Feb 15, 2021 200k views

2 Answers

Corgrath · Answer 1 · 2021-02-16T15:30:37+0000

Answer:

All real numbers

Explanation:

Adding f(x) and g(x) together gets you, (4x-5) + (3x-7) = 7x - 12

If you graph this function you get a slanted line, which extends forever so the domain will be all real numbers.