Mark M. answered • 03/29/24
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Mathematics Teacher - NCLB Highly Qualified
Regrettably I missed the "shampoo formula" in school, yet this might work.
A(t) = 168000(2)t/18
Beixi G.
asked • 03/29/24The population of a mid-size city doubles every 18 years. The population is presently 168000. Write the equation of a function that represents the population of the city using the shampoo formula
Can someone help me with this? Thank you.
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2 Answers By Expert Tutors
Mark M. answered • 03/29/24
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Retired college math professor. Extensive tutoring experience.
A(t) = Pert, where P = initial population and A(t) = population in t years
2P = Pe18r
e18r = 2 So, 18r = ln2. r = 0.0385
A(t) = 168,000e0.0385t
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Beixi G.
it's the Pert formula, we call it shampoo because it Pert is a shampoo company, could I replace the 2 with an e if I'm using the Pert formula?03/29/24