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Exp. Questions Exponentials - Past Edexcel Exam Questions 1. (Question 3 - C3 June 2018) 2. (Question 2 - C3 June 2017) www.studywell.com c StudyWell Publications Ltd. 2020

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### Transcript of Exponentials - Past Edexcel Exam Questions

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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