A. Find (f + g)(x). b. Find (f + g)(3). Use the functions f(x)=x+5 g(x)=2x+1

asked May 4, 2021 86.8k views

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A. Find (f + g)(x).
b. Find (f + g)(3).
Use the functions f(x)=x+5 g(x)=2x+1

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Answer:

Explanation:

$(f+g)(x) =f(x) + g(x)\\f(x) = x+ 5\\g(x) = 2x + 1\\(f+g)(x) = x+ 5 + 2x + 1\\(f+g)(x) = 3x + 6\\\\(f+g)(3) = 3(3) + 6 = 15$

Pankaj Sati answered May 10, 2021

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