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Question
If f(m) = m2 − 3m + 1, find f(x + 1)
Sum
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Solution
f(m) = m2 – 3m + 1
f(x + 1) = (x + 1)2 – 3(x + 1) + 1
= x2 + 2x + 1 − 3x − 3 + 1
= x2 − x − 1
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