1. Exponential Functionsand the number e Precalculus 11-2 and 11-3 p. 704

2. Calculator Graph y = bx b = 0.5 b = 0.75 b = 2 b = 5

9. Calculator Graph y = 4x y = 4x + 2 y = 4x – 3

10. Compare All the graphs are continuous, increasing, and one-to-one.

11. Compare All the graphs are continuous, increasing, and one-to-one. The y-intercept and horizontal asymptotes for each graph are different.

12. Compare All the graphs are continuous, increasing, and one-to-one. The y-intercept and horizontal asymptotes for each graph are different. Only one graph has an x-intercept

13. Exponential Growth or Decay

14. N is the final amount Exponential Growth or Decay

15. N is the final amount Exponential Growth or Decay N0 is the initial amount

16. N is the final amount Exponential Growth or Decay N0 is the initial amount r is the rate of growth or decay per time period

17. N is the final amount Exponential Growth or Decay N0 is the initial amount r is the rate of growth or decay per time period t is the number of time periods

18. Compound Interest

19. A is the final amount Compound Interest

20. A is the final amount Compound Interest P is the principal or initial investment

21. A is the final amount Compound Interest P is the principal or initial investment r is the annual interest rate

22. A is the final amount Compound Interest P is the principal or initial investment r is the annual interest rate n is the number of times interest is paid

23. A is the final amount Compound Interest P is the principal or initial investment r is the annual interest rate n is the number of times interest is paid t is the number of years

24. The Number e

25. The Number e e is not a variable.

26. The Number e e is not a variable. e is a constant like π.

27. The Number e e is not a variable. e is a constant like π.

28. The Number e e is not a variable. e is a constant like π.