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9.2 Differentiating exponentials and logarithms

9.2 Differentiating exponentials and logarithms

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Question 1

The concentration, CCC, of a chemical reagent in a reaction vessel is modeled by the equation

C=52t4+0.8t,t≥1 C = \frac{5}{2t^4} + 0.8^t, \quad t \ge 1 C=2t45​+0.8t,t≥1

where t t\,t is the time in minutes.

Find an expression for dCdt\displaystyle \frac{dC}{dt}dtdC​.

[2]
Markscheme

9.2 Differentiating exponentials and logarithms Questions

  1. A Level
  2. /Maths
  3. /9.2 Differentiating exponentials and logarithms

23 exam-style questions on Edexcel A Level Maths 9.2 Differentiating exponentials and logarithms. Each one has a worked solution and a mark scheme showing where the marks go.

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