4 marksQuadratic Inequalities
CSEC Additional Mathematics · 2014 · Paper 2 · Question 2(b)
Find the set of values of x for which 3 + 5x - 2x² ≤ 0.
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Practise this questionOther parts of this question
- 2(a)(i)Express f(x) in the form k+ a (x+h)², where a, h and k are integers to be determined.[3 marks]
- 2(a)(ii)State the maximum value of f(x).[1 mark]
- 2(a)(iii)Determine the value of x for which f(x) is a maximum.[1 mark]
- 2(c)(i)Show that this series is geometric.[3 marks]
- 2(c)(ii)Find the sum to infinity of this series, giving your answer as an exact fraction.[2 marks]
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