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2 marksProblem Solving with Graphs

CSEC Mathematics · January 2015 · Paper 2 · Question 4(c)(i)

Using your graph, determine the total charges when the job took 4.5 hours. Draw lines on your graph to show how the values for (c)(i) and (c)(ii) were obtained.

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Other parts of this question

  1. 4(a)Complete the table of values for the equation y = 40x + 75.[2 marks]
  2. 4(b)On the grid on page 13, using a scale of 2 cm to represent one hour on the x-axis and 2 cm to represent 50 dollars on the y-axis, plot the 7 pairs of values…[5 marks]
  3. 4(c)(ii)Using your graph, determine the time, in hours, spent on a job if the total charges were…[2 marks]
  4. 4(c)(iii)Using your graph, determine the fixed charge for a visit.[1 mark]

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