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If f(x)=3x^2-2 and g(x)=4x+2 what is the value of f+g 2
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4 votes
If f(x)=3x^2-2 and g(x)=4x+2 what is the value of f+g 2

User Tanay
by
6.6k points

1 Answer

5 votes

Answer:

20

Explanation:

(f + g)(x) = f(x) + g(x)

f(x) + g(x) = 3x² - 2 + 4x + 2 = 3x² + 4x

Substitute x = 2 into f(x) + g(x)

(f + g)(2) = 3(2)² + 4(2) = (3 × 4) + 8 = 12 + 8 = 20

User Withakay
by
5.4k points
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