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Adding and subtracting function if (x)=4x^2+1and g(x)=x^2-5, find (f+g) (x)

Adding and subtracting function if (x)=4x^2+1and g(x)=x^2-5, find (f+g) (x)
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5 votes
Adding and subtracting function if (x)=4x^2+1and g(x)=x^2-5, find (f+g) (x)

User Mika Fischer
by
7.6k points

1 Answer

4 votes

Answer:

(f+g)(x) = 5x^2 -4

Explanation:


(f+g)(x)=f(x)+g(x)\\\\=(4x^2+1)+(x^2-5)=(4+1)x^2+(1-5)\\\\\boxed{(f+g)(x)=5x^2-4}

User Darkwonder
by
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