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Vika [28.1K]
3 years ago
7

Plz help will mark brainliest ....Given f(x)=5x2−2x and g(x)=3x2+x−4 .

Mathematics
2 answers:
Aleks04 [339]3 years ago
6 0

Answer:  The correct option is (C) 8x^2-x-4.

Step-by-step explanation:  Given two functions f(x) and g(x) as follows :

f(x)=5x^2-2x,\\\\g(x)=3x^2+x-4.

We are to find the value of (f+g)(x).

We have

(f+g)(x)\\\\=f(x)+g(x)\\\\=(5x^2-2x)+(3x^2+x-4)\\\\=5x^2-2x+3x^2+x-4\\\\=8x^2-x-4.

Thus,

(f+g)(x)=8x^2-x-4.

Option (C) is the correct option.

Nataly [62]3 years ago
5 0
It's the 3rd option. All your doing to me, is adding all the numbers straight down. I think you meant to write it like this: 8x² - x - 4
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