Provide an appropriate response.If the points in the table lie on a parabola, write the equation whose graph is the parabola.
A. y = -3x2 + 12x - 9
B. y = -3(x + 2)2 + 3
C. y = -3(x + 2)2 - 3
D. y = 3x2 + 12x - 9
Answer: A
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Convert the temperature. Give your answer to the nearest tenth of a degree.-30°C = °F
A. -16.7°F B. -54.0°F C. 34.4°F D. -22.0°F
Evaluate the expression.arccos 
A. 
B. 
C. 
D. 
Find the given power. Write answer in rectangular form.
10
A. 
- 
i
B. 
+ 
i
C. - 
+ 
i
D. - 
- 
i
The linear programming problem has an unusual characteristic. Select a graph of the solution region for the problem and describe the unusual characteristic. Find the minimum value of the objective function (if possible) and where it occurs. ? z = x + y ? Constraints: ? x ? 0 y ? 0 x + y ? 1 3x + y ? 6 ?
A. ?
The constraint 3x + y ? 6 is extraneous. Minimum at (1, 1): 9
B. ?
The constraint 3x + y ? 6 is extraneous. No minimum.
C. ?
The constraint 3x + y ? 6 is extraneous. Minimum at (1, 0): 4
D.
The constraint 3x + y ? 6 is extraneous. Minimum at (0, 0): 0
E. ?
The constraint 3x + y ? 6 is extraneous. Minimum at (0, 1): 5