johna317 johna317

11-01-2018
Mathematics

contestada

what is the answer for this problem if f(x)= 3x+10x and g(x)=5x-3, find (f+g)(x).
A. 3x+15x-3
B. 3x+5x+3
C. 3x-5x+3
D. 18x-3

Respuesta :

Vinícius385 Vinícius385

11-01-2018

[tex](f+g)(x) =f(x)+g(x)=3x+10x+5x-3=\boxed{18x-3}\ D.[/tex]

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zrh2sfo zrh2sfo

11-01-2018

This just means that f(x) and g(x) are added, so (f+g)(x) = f(x)+g(x)
f(x)+g(x) = 3x+10x+ 5x-3 = 18x-3

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