2 marksInterpreting Function Graphs
CSEC Mathematics · May/June 2008 · Paper 2 · Question 10(c)(ii)
Use your graph to estimate the value of x when y = 3.5.
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Practise this questionOther parts of this question
- 10(a)Copy and complete the table below for the function y = 20 / x^2 for 2 ≤ x ≤ 7.[3 marks]
- 10(b)(i)Using a scale of 2 cm to represent 1 unit on both axes, plot the points whose x and y values are given in the table at (a).[4 marks]
- 10(b)(ii)Draw a smooth curve through the points.[1 mark]
- 10(c)(i)Use your graph to estimate the value of y when x = 4.5.[1 mark]
- 10(d)Draw the tangent to the curve at the point (3, 2.2) as accurately as possible. Hence, estimate the gradient of the curve at the point (3, 2.2). [Show clearly…[4 marks]
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