Find the center and graph the hyperbola.
- 
= 1
A. C(0, 0)
B. C(- 2, -1)
C. C(2, 1)
D. C(2, -1)
Answer: D
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Describe the domain of the function of three or more varables.f(w, x, y, z) = 
A. All points in ?4 that satisfies w2 + x2 + y2 + z2 ? 0. B. All points in ?4. C. All points in ?4 except the origin (0, 0, 0, 0). D. All points in ?4 that satisfy w > 0, x > 0, y > 0, z > 0.
Solve.For lunch, you have an 8-ounce (oz) serving of skim milk, 1/2 cup of broccoli, and 2 cups of salmon salad. Based on the following table, how much more calcium do you need to reach the recommended 65 milligrams (mg)?
A. 28 mg B. 7 mg C. 10 mg D. 8 mg
Find the appropriate linear cost or revenue function.Find the cost function given the following information. Fixed cost: $940; marginal cost per item: $19
A. C(x) = 19x - 940 B. C(x) = 940x - 19 C. C(x) = 940x + 19 D. C(x) = 19x + 940
Simplify the expression.3431/3
A. 7 B. 7203 C. 2401 D. 21