Asked by Sandra

The function t=[(sqrt)(d/16)] models the time (t) in seconds that an object has been falling after the object has fallen d feet. When will the time be more than 1 minute?
• d ≥ 16 ft
• d ≥ 225 ft
• d ≥ 3,600 ft
• d ≥ 57,600 ft

Answers

Answered by Reiny
t=√(d/16)
so you want √(d/16) > 1
square both sides
d/16 > 1
d > 16
Answered by Loon
D. d>57600
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