Twelve questions on the difference between adding the same amount each period and multiplying by the same factor: building the model from words, reading…
12 questions • Zestly
• The population of a town starts at two thousand people and grows by 5 percent each year. Which equation models the population $P$ after $t$…
• A machine worth ten thousand dollars loses 12 percent of its value each year. Which equation models the value $V$ after $t$ years?
• A savings account starts with five hundred dollars and earns 3 percent interest each year on its whole balance. Which equation models the…
• The value of a vintage car is modeled by $V = 15000(1.04)^t$, where $t$ is the number of years since it was bought. What does the number…
• A chemical decays according to $A = 500(0.92)^t$, where $t$ is the time in hours. What does the number $0.92$ tell you?
• A bacterial colony follows the model $N = 100(2)^t$, where $t$ is the number of hours. What is the population after $3$ hours?
• A radioactive sample follows the model $M = 200(0.5)^{t/10}$, where $M$ is the mass in grams and $t$ is the time in days. What is the mass…
• Which situation is best described by an exponential model?
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