Find the asymptotes of the hyperbola.
- 
= 1
A. y = 1 ± 
x
B. y = 1 ± 
x
C. y = ± 
x
D. y = ± 
x
Answer: D
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Find Dxy.y = 
A. 
B. 
C. 
D. 
Find parametric equations for the rectangular equation.y = 3x + 3
A. y = 3t, 3x = t - 3; 0 ? t < ?
B. x = t, y = 3t2 + 3; 0 ? t < ?
C. x = 
, y = t + 1; 0 ? t < ?
D. x = t, y = 3t + 3; 0 ? t < ?
Suppose that an automobile manufacturer has accepted orders for 30 minivans, 25 sport utility vehicles, and 15 sedans. These orders can be represented by the row vector Q = [ 30 25 15 ].The "raw materials" that go into each type of vehicle are steel, glass, plastic, paint, and labor. The entries in matrix R below give the number of units of each raw material (in this order) which are needed for each type of vehicle. R = 
. Suppose that steel costs $800 per unit, glass costs $400 per unit, plastic costs $300 per unit, paint costs $200 per unit, and labor costs $1000 per
unit. This data can be written as the column cost vector C = 
. The price the manufacturer negotiated for each minivan is $16,000, for each SUV is $21,000, and for each sedan is $13,000. This information can be written as the column price vector P = 
.Use the matrix operations on a graphing calculator to find the cost of each type of vehicle.
What will be an ideal response?
Solve the problem. Round to the nearest tenth if necessary.Last year, Maria earned $392 per week. This year, her salary increased to 
per week. What is the percent of increase?
A.
| 94.5% |
B. 5.9%
C.
| 94.1% |
D.
| 5.5% |