Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is shifted 4 units to the left and 8 units downward.
A. y = (x + 8)2 - 4
B. y = (x + 4)2 - 8
C. y = (x - 4)2 - 8
D. y = (x - 8)2 + 4
Answer: B
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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. 
In what quarter was the revenue the greatest for 2010?
A. first quarter B. fourth quarter C. second quarter D. third quarter
Write the vector in terms of the unit vectors i and j.v = 
A. -7 + 5j B. -7i + 5j C. (-7 + i) + 5j D. -7i + 5
Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long (to the nearest tenth) will it take the ball to fall 168 feet?
A. 2.4 sec B. 5.8 sec C. 2.2 sec D. 3.2 sec
The rectangular coordinates of a point are given. Find polar coordinates for the point.(-2, 2.4) Round the polar coordinates to two decimal places, with ? in radians.
A. (-3.12, 0.69) B. (3.12, -0.69) C. (3.12, 0.69) D. (3.12, 2.27)