Question
WJEC Unit 2 (Calculator) — Higher
f(x) = x² + 1 and g(x) = 2x − 3.
(a) Find fg(4). (2 marks) (b) Find an expression for gf(x). (2 marks) (c) Solve fg(x) = 26. (3 marks)
7 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.