Given the function f(x) = -1 + 2x, then what is f(x + 2) as a simplified polynomial?

asked Apr 9, 2023 55.8k views

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Given the function f(x) = -1 + 2x, then what is f(x + 2) as a simplified
polynomial?

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Answer:

f(x + 2) = 2x + 3

Explanation:

substitute x = x + 2 into f(x)

f(x + 2) = - 1 + 2(x + 2) = - 1 + 2x +4 = 2x + 3

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