A rock is thrown from the top of a building which measures 48 foot high. The graph shows the height, y, of the rock from the ground after x seconds. On which interval is the rock's height always decreasing

Question

Edith

Mathematics

13 February, 19:30

A rock is thrown from the top of a building which measures 48 foot high. The graph shows the height, y, of the rock from the ground after x seconds. On which interval is the rock's height always decreasing

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Answers (1)

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Hillary Brock · Answer 1

Step-by-step explanation:

The rock's height is increasing in the interval from 0 seconds to 3 seconds.

At time 0 the rock starts moving upward from 52 foot until it reaches 180 foot height (time 3 seconds). Then the rock starts to descend, which means that the height starts to decrease.