Solve the problem.The revenue generated by the sale of x bicycles is given by
Find the marginal revenue when 
A. $18.57/unit
B. $57.00/unit
C. $83.00/unit
D. $70.00/unit
Answer: B
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Solve the problem.A right triangle has an area of 20 square inches. The square of the hypotenuse is 116. Find the lengths of the legs of the triangle. Round your answer to the nearest inch.
A. 8 in. and 5 in. B. 2 in. and 20 in. C. 4 in. and 10 in. D. 16 in. and 100 in.
Find an equation of the parabola described and state the two points that define the latus rectum.Focus at (0, 3); directrix the line y = -3
A. y2 = 16x; latus rectum: (7, 8) and (-7, 8) B. x2 = 12y; latus rectum: (3, 6) and (-3, 6) C. x2 = 16y; latus rectum: (8, 3) and (-8, 3) D. x2 = 12y; latus rectum: (6, 3) and (-6, 3)
Find the x- and y-intercepts of f.f(x) = -x2(x + 3)(x2 + 1)
A. x-intercepts: -3, -1, 0, 1; y-intercept: 0 B. x-intercepts: -3, -1, 0; y-intercept: -3 C. x-intercepts: -3, -1, 0; y-intercept: 3 D. x-intercepts: -3, 0; y-intercept: 0
Find the product.(-5x7)(5x8)
A. -25x15 B. 25x56 C. 25x15 D. -25x56