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Save My Exams! – The Home of Revision For more awesome GCSE and A level resources, visit us at Functions Question Paper 1 Level IGCSE Subject Maths (0580) Exam Board Cambridge International Examinations (CIE) Paper Type Extended Topic Algebra and Graphs Sub-Topic Functions Booklet Question Paper 1 Time Allowed: 57 minutes Score: /47 Percentage: /100 Grade Boundaries: A* A B C D E U >85% 75% 60% 45% 35% 25% <25%
1 g( x ) = x 2 + 4 h( x ) = 2 x f( x ) = 2 x (a) Solve the equation f( x ) = g(1). x = .................................................. [2] (b) Find the value of fh(3). + 1 ................................................... [2] (c) Find f - 1 ( x f - 1 ( x ) = .................................................. [2] (d) Find gf( x ) in its simplest form. ). ................................................... [3] Save My Exams! – The Home of Revision For more awesome GCSE and A level resources, visit us at
(e) Solve the equation h - 1 ( x ) = 0.5 . x = .................................................. [1] (f) 1 x = 2 kx h( ) Write down the value of k . k = .................................................. [1] Save My Exams! – The Home of Revision For more awesome GCSE and A level resources, visit us at
2 f( x ) = 5 x + 7 g( x ) = 4 x - 3 , x ≠ 3 (a) Find (i) fg(1), .................................................. [2] (ii) gf( x ), .................................................. [2] (iii) g –1 ( x ), g –1 ( x ) = ................................................. [3] (iv) f –1 f(2).

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