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9966 [12]
4 years ago
13

For f(x) = 3x+ 1 and g(x) = x2 - 6, find (f+g)(x).

Mathematics
2 answers:
mylen [45]4 years ago
7 0

Answer:

<h2>B. x² + 3x - 5</h2>

Step-by-step explanation:

(f+g)(x)=f(x)+g(x)\\\\\text{Substitute}\ f(x)=3x+1,\ g(x)=x^2-6:\\\\(f+g)(x)=(3x+1)+(x^2-6)\qquad\text{combine like terms}\\\\(f+g)(x)=x^2+3x+(1-6)\\\\(f+g)(x)=x^2+3x-5

Elina [12.6K]4 years ago
5 0
Your answer would be option B. x+3x-5
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