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1 markPaper 1 · Multiple choiceRoots of Equations

CAPE Pure Mathematics Unit 2 · May/June 2015 · Paper 1 · Question Q29

Let f be a continuous function with f(0) = 1 and f(0.8) = -0.76. The first approximation to the root in [0, 0.8], to three decimal places, using linear interpolation is

  1. (A)0.000
  2. (B)0.400
  3. (C)0.444
  4. (D)0.455

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