Exponentials - Past Edexcel Exam Questions
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Exp. Questions
Exponentials - Past Edexcel Exam Questions
1. (Question 3 - C3 June 2018)
2. (Question 2 - C3 June 2017)
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Exp. Questions
3. (Question 9 - C3 June 2016)
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4. (Question 4 - C3 June 2015)
5. (Question 2 - C3 June 2014)
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6. (Question 6 - C3 June 2013)
7. (Question 8 - C3 January 2013)
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8. (Question 3 - C3 January 2012)
9. (Question 5 - C3 June 2011)
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10. (Question 4 - C3 January 2011)
11. (Question 9 - C3 January 2010)
Part ii) of this question is a functions question.
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Exp. Questions
Solutions
1. (a) A = 1500
(b) -
(c) 8.82 years
2. (a) x = ln(8)+93
or x = ln(2) + 3
(b) y = 4e2−5e2+2
3. (a) 6.740mg
(b) -
(c) a = 5, b = 2
4. (a) θ = 20
(b) λ = ln(2)40
(c) T = 93
5. (a) x = e5−12
(b) x = 74+ln(3)
6. (a) x = 75
(b) x = −1+ln(10)3+ln(2)
7. (a) £19, 500
(b) 4 ln(2)
(c) £593 per year
8. (a) A = 20 mm2
(b) 12:28pm
9. (a) p = 7.5
(b) -
(c) t = 4.15 to 2 d.p.
10. (a) A = 70
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Exp. Questions
(b) -
(c) 2.426
11. (a) x = e5+73
(b) x = ln(15)−2ln(3)+7
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