Solve the linear equation.
- 
= 
+ 2
A. 
B. 
C. 
D. 
Answer: D
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Graph.7x2 - y2 - 56x + 14y - 49 = 0 
A. 
B. 
C. 
D. 
Find the foci of the ellipse whose equation is given.25(x + 3)2 + 36(y + 1)2 = 900
A. foci at (-1 + 
, -3) and (-1 - 
, -3)
B. foci at (-3 + 
, -1) and (-3 - 
, -1)
C. foci at (- 
, -1) and (
, -1)
D. foci at (-3 + 
, -3) and (-3 - 
, -3)
The following double-bar graph illustrates the revenue for a company for the four quarters of the year for two different years. Use the graph to answer the question.
Which quarter had the same revenue for 1999 and 2000?
A. third quarter B. second quarter C. first quarter D. fourth quarter
Identify the maximum and minimum values of the function in the interval [-2?, 2?]. Use your understanding of transformations, not your graphing calculator.y = -7 sin x
A. Maximum value = 7; minimum value = -7 B. Maximum value = 14; minimum value = 0 C. Maximum value = 14; minimum value = -14 D. Maximum value = 7; minimum value = 0