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3 votes
If f(x)= 4^x-1 + 6 and g(x)= 2x-5, what is (f-g)(x)

User Ctc
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2 Answers

5 votes
2x + 10. Just subtract like it's one big equation.
User Utkarsh Yeolekar
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4 votes
(f-g)(x)= f (x)- g (x) =4^x -1 +6 -(2x-5)
=4^x +5 -2x +5
=4^x -2x +10
User Ming Huang
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8.1k points