Graph the circle 
with your graphing calculator. Use the feature on your calculator that allows you to evaluate a function from the graph to find the coordinates of all points on the circle that have the given x-coordinate.
?
?
A. 
, 
B. 
, 
C. 
, 
D. 
E. 
, 
Answer: E
Mathematics
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Solve the problem.The size of a population of lions after t months is P = 100 (1 + 0.2t + 0.02t2). Find the growth rate when 
A. 180 lions/month B. 140 lions/month C. 10,020 lions/month D. 160 lions/month
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Find the length of the curve.The curve r = a cos2 
, 0 ? ? ? ?, a > 0
A. 2a
B. 
C. 2?a
D. 
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Simplify the expression by combining like terms.8x - x - 3x + x
A. -x2 + 5x B. 5x C. 7x D. x2 + 5x
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A welder decides to make a pyramid out of flat steel. The height of the pyramid is to be 6 ft and the square base has edges of length 4 ft. Find the volume of such a pyramid.
A. V = 48 ft 3 B. V = 35 ft 3 C. V = 32 ft 3 D. V = 44 ft 3 E. V = 27 ft 3
Mathematics