Solve the problem.The force F (in N) exerted by a cam on a lever is given by F = x4 - 10x3 + 45x2 - 55x + 25, where x (1 ? x ? 5) is the distance (in cm) from the center of rotation of the cam to the edge of the cam in contact with the lever. Find the instantaneous rate of change of F with respect to x when x = 2 cm.
A. 29 N/cm
B. 3 N/cm
C. 31 N/cm
D. 37 N/cm
Answer: D
Mathematics
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A. (6, 0) B. (0, 6) and (0, -6) C. (0, -6) D. (6, 0) and (-6, 0)
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Use natural logarithms to evaluate the logarithm to the nearest thousandth.log7.9 192
A. 24.304 B. 2.544 C. 0.393 D. 2.283
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Find the amount of the ordinary annuity. Round to the nearest cent.R = $6400, 5% interest compounded quarterly for 11 years
A. $372,405.36 B. $361,486.77 C. $90,923.44 D. $884,405.36
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Solve the problem.The perimeter of a rectangle must be no greater than 68 meters. The width must be 15 meters. Find the greatest possible value for the length of the rectangle.
A. 53 meters B. 49 meters C. 19 meters D. 83 meters
Mathematics