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3.6 Differentiation (A-level only)

3.6 Differentiation (A-level only)

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Question 13

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]
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3.6 Differentiation (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.6 Differentiation (A-level only)

333 exam-style questions on WJEC A Level Maths 3.6 Differentiation (A-level only), covering 3.6.1 Differentiation (A-level only), 3.6.2 Differentiation (A-level only), 3.6.3 Differentiation (A-level only), 3.6.4 Differentiation (A-level only), 3.6.5 Differentiation (A-level only), 3.6.6 Differentiation (A-level only), 3.6.7 Differentiation (A-level only), and 3.6 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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