If f(x) = 2x² +1 and g(x) = x² - 7 find (f+g) (x) Help me find (f+g)(x) please!

asked Oct 18, 2022 62.4k views

2 votes

If f(x) = 2x² +1 and g(x) = x² - 7 find (f+g) (x)

Help me find (f+g)(x) please!

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5 votes

Answer:

(f+g)(x) = 3x^2 - 6

Explanation:

$f(x) = 2x^2 + 1, \ g(x) = x^2 - 7\\\\(f +g)(x) = f(x) + g(x) \\\\(f+g)(x) = 2x^2 + 1 + x^2 - 7 \\\\(f+ g)(x) = 3x^2 - 6$

Aaron Renoir answered Oct 23, 2022

7.5k points

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