Over the past ten years, the town's population doubled in size. The population is currently 12,000. What was the population ten
2 answers:
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For this case we have that the equation that describes the height is:
Where,
v: initial speed
c: initial height
Substituting values we have:
Then, to find the time, we use the quadratic formula:
Substituting values we have:
Rewriting:
We discard the negative root because we want to find the time.
We have then:
Answer:
D.