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tmua.fyi Paper 1 Challenge 1 · Q20

Paper 1Functions & graphs

The function ff is defined for x≥3x\ge3 by f(x)=x2−6x+11f(x)=x^2-6x+11. Find f−1(6)f^{-1}(6).

A11
B55
C33
D66
E22

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