Find an equation for the indicated ellipse.Vertices (±5, -3) and foci (±3, -3)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: B
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Write the compound statement in symbols. Then construct a truth table for the symbolicstatement.Let r = "The food is good," p = "I eat too much,"q = "I'll exercise."If the food is not good, I won't eat too much.
A. ~r ? ~p
| T | T | T |
| T | F | T |
| F | T | F |
B. ~(r ? p)
| T | T | F |
| T | F | T |
| F | T | F |
C. ~r ? ~p
| T | T | T |
| T | F | F |
| F | T | F |
D. ~(r ? p)
| T | T | F |
| T | F | T |
| F | T | F |
Solve the given problem by using Laplace transforms.A 20-H inductor, a 180-?F capacitor, and a voltage supply whose voltage is given by 
are connected in series. Find the current as a function of time if the initial charge on the capacitor and the initial current are both zero.
A. i = 0.83t sin 33.34t B. i = 0.83t sin 16.67t C. i = 0.42t sin 16.67t D. i = 0.83t cos 16.67t
Provide an appropriate response.Write the basic solution for the following simplex tableau:
A. x1 = 28, x2 = 0, x3 = 0, s1 = 30, s2 = 12, s3 = 0, P = - 50 B. x1 = 28, x2 = 10, x3 = 7, s1 = 30, s2 = 12, s3 = 0, P = 50 C. x1 = 28, x2 = 10, x3 = 0, s1 = 30, s2 = 12, s3 = 0, P = 50 D. x1 = 28, x2 = 0, x3 = 0, s1 = 30, s2 = 12, s3 = 0, P = 50
Solve the problem. 
What are the odds of drawing a 2 from these cards?
A. 1 to 4 B. 4 to 1 C. 5 to 1 D. 1 to 5