Solve the problem.If a submarine goes 2k3 + 14k2 + 12k - 36 miles in 2k + 6 hours, what is its speed?
A. k2 - 4k + 6 mi/hr
B. k2 + 10k - 6 mi/hr
C. k2 + 4k - 6 mi/hr
D. k3 + 4k2 - 6k mi/hr
Answer: C
Mathematics
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