Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 4x2 + 9y2; 0 ? x ? 1, 0 ? y ? 1
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Find the vertices and asymptotes of the following hyperbola:
- 
= 1
A. Vertices: (4, 0), (-4, 0); Asymptotes: y = ± 
x
B. Vertices: (0, 4), (0, -4); Asymptotes: y = ± 
x
C. Vertices: (0, 4), (0, -4); Asymptotes: y = ± 4x
D. Vertices: (0, 16), (0, -16); Asymptotes: y = ± 
x
Solve.
= 
A. -8, 8 B. 8 C. 64 D. -4, 4
Write the algebraic expression without parentheses.-5(5z)
A. -25 - 5z B. -25 + z C. 25z D. -25z
Solve the problem.Suppose that Janine desires 46 grams of protein and 38 grams of dietary fiber daily. One serving of kidney beans has 8 grams of protein and 6 grams of dietary fiber. One serving of refried pinto beans has 6 grams of protein and 6 grams of dietary fiber. If a serving of kidney beans costs $0.45 and a serving of refried pinto beans costs $0.35, then how many servings of each should Janine eat to minimize cost and still meet her requirements? Fractional servings are allowed.
A. 
servings of kidney beans and 0 servings of refried pinto beans
B. 
servings of refried pinto beans and 4 servings of kidney beans
C. 
servings of refried pinto beans and 0 servings of kidney beans
D. 4 servings of refried pinto beans and 
servings of kidney beans