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shusha [124]
3 years ago
13

F(x)=4x^2 and g(x)=-8x^2+4x-4, find (f+g)(x) and (f+g)(-3)

Mathematics
1 answer:
kondaur [170]3 years ago
6 0

Answer:

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

(f+g)(x) =  -8x^2 + 4x - 4 + 4x^2 = -4x^2 + 4x - 4 = -4(x^2 -x + 1)

(f+g)(-3) = -4( -3^2 -(-3) + 1) = -4 x 13 = -52

Hope this helps!

:)

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