Solve the problem.The force F (in N) exerted by a cam on a lever is given by F = x4 - 13x3 + 45x2 - 67x + 30, 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 = 4 cm.
A. -94 N/cm
B. -139 N/cm
C. -31 N/cm
D. -75 N/cm
Answer: D
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Write the first four terms of the sequence whose general term is given.an = 3n
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