Quelpr
3 marksInterpreting Function Graphs

CSEC Mathematics · May/June 2008 · Paper 2 · Question 9(c)(ii)a)

The temperature, K, of a liquid t minutes after heating is given in the table below.

Use your graph to estimate the temperature of the liquid after 15 minutes.

The mark scheme is shown once you've answered.

Practise this question

Other parts of this question

  1. 9(a)(i)x² × x³ ÷ x⁴[1 mark]
  2. 9(a)(ii)a²b^(3/5) × √ab³.[2 marks]
  3. 9(b)(i)f(2)[1 mark]
  4. 9(b)(ii)f⁻¹(0)[2 marks]
  5. 9(b)(iii)f⁻¹f(2)[2 marks]
  6. 9(c)(i)Using a scale of 2 cm to represent 10 minutes on the horizontal axis and a scale of 2 cm to represent 10 degrees on the vertical axis, construct a…[4 marks]
  7. 9(c)(ii)b)Use your graph to estimate the rate of cooling of the liquid at t = 30 minutes.[3 marks]

More practice: the rest of this paper · more Interpreting Function Graphs questions · all CSEC Mathematics past papers