Find the x-intercepts.y = 2x2 + 6x - 1
A. 
and 
B. No x-intercepts
C. 
and 
D. 
and 
Answer: C
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Solve the problem.A company that produces bicycles has costs given by the function 
, where x is the number of bicycles manufactured and C(x) is measured in dollars. The average cost to manufacture each bicycle is given by 
(x) = 
.Find 
(50). (Round to the nearest dollar, if necessary.)
A. $415 B. $55 C. $57 D. $395
Use a determinant to determine whether the points (x1, y2) = (-8, -7), (x2, y2) = (0, 3) and (x3, y3) = (4, 8) are collinear. ?
A. True. The points are collinear because 
.
B. False. The points are not collinear because 
.
Find the derivative of the following function.
A. 
B. 
C. 
D. 
E. 
Solve the problem.Find the consumers' surplus if the demand for an item is given by 
assuming supply and demand are in equilibrium at 
A. 72 B. 216 C. 432 D. 144