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Given f(x)=3x^2+4x and g(x)=2x^2−x+1 .

Given f(x)=3x^2+4x and g(x)=2x^2−x+1 .-example-1
User Amitayh
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1 Answer

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3x²+4x+(2x²-x+1)=5x²+3x+1, so the answer is the second choice. 
User PT Vyas
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