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21-11-2018
Mathematics

contestada

If f(x)=2x/2x+1 and g(x)=1/2x+1, find f(x) + g(x)
A. 2x+1/4x+2
B. 1
C. (2,-52)
D. 1/2

Respuesta :

21-11-2018

[tex]f(x) + g(x) = \dfrac{2x}{2x + 1} + \dfrac{1}{2x + 1}[/tex]

Set up

[tex]f(x) + g(x) = \dfrac{2x + 1}{2x + 1}[/tex]

Since we have common denominators among the terms, we can simply add the numerators

[tex]f(x) + g(x) = 1[/tex]

Simplify

The answer is Choice B, or 1.

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