11. A pebble falls from the top of a cliff that is 180 m high. The pebble's height above the ground is modeled by h(t)=−

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11. A pebble falls from the top of a cliff that is 180 m high. The pebble's height above the ground is modeled by h(t)=−

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11 A Pebble Falls From The Top Of A Cliff That Is 180 M High The Pebble S Height Above The Ground Is Modeled By H T 1
11 A Pebble Falls From The Top Of A Cliff That Is 180 M High The Pebble S Height Above The Ground Is Modeled By H T 1 (63.6 KiB) Viewed 66 times
11. A pebble falls from the top of a cliff that is 180 m high. The pebble's height above the ground is modeled by h(t)=−5t2−5t+180, where h is the height in metres at t seconds since the pebble started to fall. a) Find the rate of change of height in the first 5 seconds. 3) b) What does this rate of change indicate?
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