Use algebraic and/or graphical methods to solve the inequality.3 + 
- 
? 0
A. 
? x ? 8
B. -8 ? x < 0 or 0 < x ? 
C. x ?-8 or x ? 
D. -8 ? x ? 
Answer: B
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Find the volume of the solid bounded above by the surface 
and below by the plane region R.
?
and ?R is the region bounded by the graphs of 
and 
.
What will be an ideal response?
Give the probability distribution and sketch the histogram.At a supermarket during the 6 p.m. rush, the manager counted the number of customers waiting in each of the 12 checkout lines. The results are shown in the table.
A. 
| Probability: | .16 | 0 | .25 | .33 | .10 | .16 |
B.
| Probability: | .17 | .08 | .33 | .25 | 0 | .17 |
C.
| Probability: | .17 | 0 | .25 | .33 | .08 | .17 |
D.
| Probability: | .16 | .10 | .33 | .25 | 0 | .16 |
Write a linear inequality for the situation described.It takes 4 cups of sugar to bake a cake and 3 cups of sugar to make a tray of cookies. Mary has a total of 20 cups of sugar to bake x cakes and y trays of cookies.
A. 3x + 4y ? 20 B. 3x + 4y ? 1 C. 4x + 3y ? 0 D. 4x + 3y ? 20
Solve the problem.9 different books are to be arranged on a shelf. How many different arrangements are possible?
A. 181,440 B. 40,320 C. 362,880 D. 9