Solve the problem.If a submarine goes 2k3 + 11k2 + 1k - 35 miles in 2k + 5 hours, what is its rate of speed?

A. k2 + 8k - 7 miles/hr
B. k2 - 3k + 7 miles/hr
C. k3 + 3k2 - 7k miles/hr
D. k2 + 3k - 7 miles/hr


Answer: D

Mathematics

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