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

User Mariza
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2 Answers

4 votes

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.

User Corgrath
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5.6k points
3 votes

Answer:

7x + 2

Explanation:

User Deshaun
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5.6k points