Solve the problem.The liquid portion of a diet is to provide at least 300 calories, 36 units of vitamin A, and 90 units of vitamin C daily. A cup of dietary drink X provides 60 calories, 12 units of vitamin A, and 10 units of vitamin C. A cup of dietary drink Y provides 60 calories, 6 units of vitamin A, and 30 units of vitamin C. Set up a system of linear inequalities that describes the minimum daily requirements for calories and vitamins. Let x = number of cups of dietary drink X, and y = number of cups of dietary drink Y. Write all the constraints as a system of linear inequalities.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find an equation for the ellipse described.Center at (0, 0); focus at (0, -4); vertex at (0, 8)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Solve the equation. Express radicals in simplest form.x2 = 9
A. {4.5} B. {-4, 4} C. {-3, 3} D. {3}
Mathematics
Answer the question.True or False: The graph of the equation x = 10 is a vertical line.
A. False B. True
Mathematics
List the x-values in the graph at which the function is not differentiable.
A. x = 2 B. x = 1 C. x = 0 D. x = 0, x = 1, x = 2
Mathematics