# Mathematics Past Paper

**Tutor description**

1. If h(x) = 1 + 3x and k(x) = x +2( CXC 1999 # 5 ) evaluate: a) hk (x) b) hk(4) c) (hk)-1 (x)5 marks 2. Given that : f : x 3 – x and g: x x + 2 x – 5 a) Calculate g(2) b) State the value of x for which g(x) is NOT defined c) Derive an expression for gf(x) d) Calculate the value of f-1 (4)

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