College Algebra, 4th Edition

Building Skills

1. 9. No, the base is not a constant.

2. 11. Yes, the base is ${\displaystyle \frac{1}{2}}$.

3. 13. No, the base is not a constant.

4. 15. No, the base is not a positive ­constant.

5. 17. ${\displaystyle \frac{1}{5}}$

6. 19. 0.0892, 11.2116

7. 21. ${\displaystyle \frac{4}{9}},{\displaystyle \frac{729}{64}}$

8. 23. $3^{2\sqrt{2}}$

9. 25. $2^{\pi }$

10. 27. $3^{\sqrt{6}}$

11. 29. $a^6$

12. 31.

    1. $4^x$

    2. $3^x$

13. 33.

    1. ${\displaystyle \frac{1}{5}}\cdot 5^x$

    2. $5\cdot {\left({\displaystyle \frac{1}{5}}\right)}^x$

14. 35.

    

15. 37.

    

16. 39.

    

17. 41.

    

18. 43. c

19. 45. a

20. 47. Domain: $(-\infty ,\infty );$ range: $(1,\infty );$ horizontal ­asymptote: ...