if f(x) = 2x - x^2 find f(x+1)
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Step-by-step explanation:
f(x)=2x-x²
f(x+1) = 2(x+1)-(x+1)²
= 2x+2-(x²+2x+1)
= 2x+2-x²-2x-1
f(x+1) = 1-x²
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