True/False Quiz for Chapter 2
(Chapter 9 in the Combined Book)
Topic: Logarithmic and Exponential Functions


Chapter 1 True/False Quiz

Chapter 2 Summary

Chapter 3 True/False Quiz

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Finite Mathematics Applied to the Real World

Calculus Applied to the Real World

Finite Mathematics & Calculus Applied to the Real World

1. a6 = a3a2
2. a5 = a3 + a2
3. a9 = (a3)3
4.
a2 =
1

a2
5.
1

a1/2
=a1/2
6. (a+b)1/2 = a1/2 + b1/2
7. f(x) = 2(3x) is an exponential function.
8. g(x) = 2(42x) is an exponential function.
9. h(x) = 4(3x1) is an exponential function.
10. r(x) = 10x2.1 is an exponential function.
11. log 6 = log 3 + log 3
12. log 6 = log 3 + log 2
13. log 9 = (log 3)2
14. ln 3(1.05)20 = 20 ln (3.15)
15. ln 3 = ln(3)
16. If, due to inflation, prices are rising by 1% every month, they will rise exactly 12% during the year.
17. If, due to inflation, prices are rising by 1% every month, they will rise by about 12.7% during the year.
18. An investment earning 20% interest compounded twice a year is better than one earning 19.7% interest compounded continuously.
19. If a quantity is growing continuously with a fractional rate of growth k = 1/3 per year, then the quantity increases by more than one third each year.
20. Logistic growth is initially approximately the same as exponential growth with the same fractional rate of growth k.

Last Updated: April, 1997
Copyright © 1995 Stefan Waner & Steven R. Costenoble