Skip to content

Course home

3.5 Differentiation (A-level only)

3.5 Differentiation (A-level only)

EasyMediumHard
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647
Question 25

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

3.5 Differentiation (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.5 Differentiation (A-level only)

263 exam-style questions on CCEA A Level Maths 3.5 Differentiation (A-level only), covering 3.5.1 Differentiation (A-level only), 3.5.2 Differentiation (A-level only), 3.5.3 Differentiation (A-level only), 3.5.4 Differentiation (A-level only), 3.5.5 Differentiation (A-level only), and 3.5 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank