CSEC Mathematics · Question 4(b)(i)
x is a real number.
Solve the inequality -7 < 3x + 5 ≤ 7.
The mark scheme is shown once you've answered.
Practise this questionOther parts of this question
- 4(a)(i)Using the letters P, V and k, form an equation connecting the quantities P and V.[1 mark]
- 4(a)(ii)Given that V = 3 when P = 4, determine the positive value of V when P = 1.[2 marks]
- 4(b)(ii)Represent your answer in (b)(i) on the number line shown below.[1 mark]
- 4(c)(i)Determine the coordinates of Q.[1 mark]
- 4(c)(ii)What is the gradient of this line?[2 marks]
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