Solve the problem.Which of the following functions could have this graph? 
A. y = 
B. y = 
C. y = 
D. y = 
Answer: B
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The figure below is a square ABCD with center O. (M, N, P, and Q are the midpoints of the sides.)
The image of A under a 90° clockwise rotation with center O is
A. M. B. B. C. D. D. C. E. none of these
Solve.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being the profit in dollars, and x the number of hotdogs sold. How many hotdogs must he sell to earn the most profit?
A. 49 hotdogs B. 30 hotdogs C. 24 hotdogs D. 31 hotdogs
The hyperbola shown in the calculator-generated graph was graphed in function mode with a square viewing window. What are the two functions y1 and y2 that were used to obtain the graph whose equation is given?
10
-10
A. y1 = 6
, y2 = -6
B. y1 = 
, y2 = - 
C. y1 = 
, y2 = - 
D. y1 = 
, y2 = - 
Rewrite the quadratic equation in the form ax2 + bx + c = 0, then identify a, b, and c. 6x2 = 12x - 25
A. a = 6, b = 12, c = 25 B. a = 6, b = -12, c = -25 C. a = 6, b = -12, c = 25 D. a = 6, b = 12, c = -25