1. (section 2.1) bungee jumping: jimmy jumped off the tallahatchie bridge, 100 ft above
the water, with a bungee cord tied to his legs. if he was 8 ft above the water 5 seconds
after jumping, then what was the average rate of change of his altitude as the time
varied from 0 to 5 seconds?

18.4 ft per second.

Step-by-step explanation:

Bungee jumped off the Tallahatchie Bridge, which is 100 ft above the water surface.

And after 5 seconds he was at 8 ft above the water surface.

Therefore, in total 5 seconds, he descends by total ( 100 - 8 ) = 92 ft altitude.

Hence, the average rate of change of his altitude is given by  

feet per seconds. (Answer)

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

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