CSEC Additional Mathematics · 2016 · Paper 2 · Question 1(a)(ii)
A function f(x) = 2x - 5 is defined with a domain of {-2, -1, 0, 1}.
Find f⁻¹(x).
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Practise this questionOther parts of this question
- 1(a)(i)Determine the range of the function.[2 marks]
- 1(a)(iii)Sketch the graphs of f(x) and f⁻¹(x) on the same axes.[2 marks]
- 1(a)(iv)Comment on the relationship between the two graphs.[1 mark]
- 1(b)Solve the equation 2^(2x + 1) + 5(2^x) – 3 = 0.[4 marks]
- 1(c)(i)Given that T = kp^(b/c), make c the subject of the formula.[2 marks]
- 1(c)(ii)Solve the equation log(x + 1) + log(x - 1) = 2 log(x + 2).[2 marks]
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