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F(x) = 4x + 7, g(x) = 3x2

Find (f + g)(x). (1 point)


3x2 + 4x + 7

-3x2 + 4x + 7

Quantity four x plus 7 divided by three x squared.

12x3 + 21x

1 Answer

5 votes

Answer:

(1)


(f+g)(x)=3x^2+4x+7

(2)


Explanation:

we are given


f(x)=4x+7


g(x)=3x^2

we have to find (f+g)(x)

we can write


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

now, we can plug values

and we get


(f+g)(x)=4x+7+3x^2

we can also write as


(f+g)(x)=3x^2+4x+7

so, answer is


(f+g)(x)=3x^2+4x+7

User Matheus Lima
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