b. 83/2
3.
Math 112 Test 1 5 points each Sept. 7,
2000
1. What does the numerator of a rational exponent tell the
mathematician?
Evaluate:
2. a. 82/3
b. 83/2
3.
4. 
5. 
6. 
7. 
Rationalize the denominator:
8. 
9. 
10. 
11. 
Solve the Inequality
12. 3 ² x or 3 ³ x
13. 3 ² x and 3 ³ x
14. 3 ² x or x < 7
15. 
16. y2 + 2y > 35.
17. 25 - 3x2 „ x2
18. 9x2 + 1 > 0
19. ˆ
20. Find the domain of f.
8 points bonus: Solve |x + 7| = x + 7 for x.
