a fiberoptic cable can transfer d megabytes of data in t seconds, where d=8t^2. Which of the following gives the average data transfer speed of the cable, in megabytes per second, over k seconds?

Question

A) 8k

B) 8k^2

C) 8/k

D) 16k

Answer 1

D megabytes in t seconds....

8t^2 megabytes in t seconds

8t megabytes per second

so 8K