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Mathematics 11 Online
OpenStudy (anonymous):

Which function has an inverse? A) ƒ(x) = x2 + 3, x ≤ 1 B) ƒ(x) = x2 + 8x - 9, x ≤ -6 C) ƒ(x) = 2x2 + 8x -4, x ≤ -2 D) ƒ(x) = 2x2 - 4x + 1, x ≥ 3

OpenStudy (anonymous):

ƒ(x) = x2 + 8x - 9, x ≤ -6

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