2 marksDeriving Inverse Functions
CSEC Mathematics · May/June 2009 · Paper 2 · Question 5(a)(iii)
Given that f(x) = 2x - 5 and g(x) = x² - 31.
Calculate the value of f⁻¹(3).
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Practise this questionOther parts of this question
- 5(a)(i)Calculate the value of f(-2).[1 mark]
- 5(a)(ii)Calculate the value of gf(1).[2 marks]
- 5(b)(i)Copy and complete the table below.[2 marks]
- 5(b)(ii)Using a scale of 2 cm to represent 1 unit on the x-axis and 1 cm to represent 1 unit on the y-axis, draw the graph of y = x² + 2x - 3 for -4 ≤ x ≤ 2.[5 marks]
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