2x2 - x
2x2 - x + 10
4x2 + 3x + 2
4x2 + 3x + 12
Correct answer is A
f(x)=2x2−5x+3
f(x+1)=2(x+1)2−5(x+1)+3
= 2(x2+2x+1)−5x−5+3
= 2x2+4x+2−5x−2
= 2x2−x
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