Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = - 0.2x2 - 14x + 6
A. Vertex: (35, 251)
B. Vertex: (-17.5, 67.25)
C. Vertex: (17.5, 67.25)
D. Vertex: (-35, 251)
Answer: D
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The value V, in dollars, of a certain investment after t years is given in the table below. Use exponential regression to determine the percentage increase in the investment over any 4-year period. Round your answer to two decimal places. t 2 4 6 8 10 V 3,371.34 5,183.28 7,968.74 12,252.51 18,839.19?
A. 96.08% B. 96.00% C. 137.09% D. 136.42%
Use the preference table to answer the question.Four students are running for president of their residence hall: Debra (D), Farah (F), Jorge (J), and Hillary (H). The votes of their fellow students are summarized in the following preference table.
Who is declared the new president using the plurality method?
A. Jorge B. Hillary C. Debra D. Farah
Use a half-angle formula to find the exact value of the expression.tan 105°
A. -
+ 2
B. 
+ 2
C. -
- 2
D. 
- 2
Solve the problem.Find the values of x and y that give the maximum possible value of g = 8x + 12y subject to the following constraints: 
A. x = 12, y = 0 B. x = 8, y = 3 C. x = 14, y = 0 D. x = 0, y = 9