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tmybby
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The function y = –16t2 + 224 models the height y in feet of a stone t seconds after it is dropped from the edge of a vertical cliff. How long will it take the stone to hit the ground? Round to the nearest hundredth of a second.
a. 0.25 seconds
b. 5.29 seconds
c. 7.48 seconds
d. 3.74 seconds
 one year ago
 one year ago
tmybby Group Title
The function y = –16t2 + 224 models the height y in feet of a stone t seconds after it is dropped from the edge of a vertical cliff. How long will it take the stone to hit the ground? Round to the nearest hundredth of a second. a. 0.25 seconds b. 5.29 seconds c. 7.48 seconds d. 3.74 seconds
 one year ago
 one year ago

This Question is Closed

radar Group TitleBest ResponseYou've already chosen the best response.0
Looking at the function, you can see that the cliff is 224 feet (by letting t=0) 16t^2  224 = 0 dividing by 16 getting t^214=0 t^2 = 14 take square root of both sides t=3.74 seconds
 one year ago
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