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6 October, 13:55

Find (f+g) (x) if f (x) = 3x+5 and g (x) = - 2x^2-5x+3,

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

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

C. (f+g) (x) = - 4x+8

D. (f+g) (x) = - 2x+8

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  1. 6 October, 14:06
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    (f+g) (x) = f (x) + g (x) = (3x+5) + (-2x^2-5x+3) = - 2x^2 - 2x + 8 (B)
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