A-Level
EDEXCEL
Mathematics & Further Mathematics
January 2026
8 Marks
QP-202601-Mathematics-UP3 · Question 5
Question (excerpt):
12 5. The function f is defined by f : x x x x 2 16 4 4 (a) Find ff( ), x giving your answer as a single fraction in its simplest form. (3) (b) Find f −1 12 ( ) (2) The function g is defined by…
12 5. The function f is defined by f : x x x x 2 16 4 4 (a) Find ff( ), x giving your answer as a single fraction in its simplest form. (3) (b) Find f −1 12 ( ) (2) The function g is defined by…
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