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1.6 Differentiation

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Question 14

A curve is defined by the equation y=g(x)y = g(x)y=g(x). It is known that the curve has a point of inflection at x=−4x = -4x=−4. Given that g′(−4)=kg'(-4) = kg′(−4)=k and g′′(−4)=mg''(-4) = mg′′(−4)=m, where kkk and mmm are constants, identify which of the following statements must be true:

g′(−4)=0 g'(-4) = 0 g′(−4)=0 g′′(−4)=0 g''(-4) = 0 g′′(−4)=0 g′(−4)≠0 g'(-4) \neq 0 g′(−4)=0 g′′(−4)>0 g''(-4) > 0 g′′(−4)>0
[4]
Markscheme

1.6 Differentiation Questions

  1. A Level
  2. /Maths
  3. /1.6 Differentiation

115 exam-style questions on CCEA A Level Maths 1.6 Differentiation, covering 1.6.1 Differentiation, 1.6.2 Differentiation, 1.6.3 Differentiation, 1.6.4 Differentiation, 1.6.5 Differentiation, 1.6.6 Differentiation, and 1.6.7 Differentiation. Each one has a worked solution and a mark scheme showing where the marks go.

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