N2019 P1 Q4

N2019 P1 Q4

6 marks
Past Year National Exams
Free
  1. Sketch the graph of \(y=\left| {{2}^{x}}-10 \right|\), giving the exact values of any points where the curve meets the axes.[3]
  2. Without using a calculator, and showing all your working, find the exact interval, or intervals, for which \(\left| {{2}^{x}}-10 \right|\le 6\). Give your answer in its simplest form.[3]

Video Solution:

Default solution

Timothy Gan
  1. List item image
  2. List item image
Answer:(ii) \({2 \leq x \leq 4}\)

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