Provide an appropriate response.Describe how the graph of y = x2 - 4 differs from the graph of 
.
What will be an ideal response?
The graph is shifted down 4 units.
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Match the equation with the surface it defines.
+ 
= 
A. Figure 1 B. Figure 2 C. Figure 3 D. Figure 4
Perform the indicated operation. Simplify if possible.
- 
A. 
B. 
C. 
D. 
Solve the problem.A steel company produces two types of machine dies, part A and part B and is bound by the following constraints:? Part A requires 1 hour of casting time and 10 hours of firing time. ? Part B requires 4 hours of casting time and 3 hours of firing time.? The maximum number of hours per week available for casting and firing are 100 and 70, respectively.? The cost to the company is $0.75 per part A and $3.00 per part B. Total weekly costs cannot exceed $45.00.Let x = the number of part A produced in a week and 
number of part B produced in a week. Write a system of three inequalities that describes these constraints.
A. 
B. 
C. 
D. 
Solve the initial-value problem.
