4-2 Practice

Write the function (f(x)): Jada deposits $12,000 into a mutual fund that is expected to grow by 6% annually.

Jada deposits $12,000 into a mutual fund that is expected to grow by 6% annually. How many years until her balance is $15,000?

Write the function (f(x)): An Epipen contains 3000 micrograms of adrenaline. An adult's liver can filter out 12% of the adrenaline in your blood per second.

An Epipen contains 3000 micrograms of adrenaline. An adult's liver can filter out 12% of the adrenaline in your blood per second. How many minutes will it take for half of the adrenaline from the Epipen to be filtered out?

Write the function (f(x)): English Ivy is an invasive ground cover plant that can expand by 32% every year. In 2005, English Ivy covered 220 mi² of the state of Oregon.

English Ivy is an invasive ground cover plant that can expand by 32% every year. In 2005, English Ivy covered 220 mi² of the state of Oregon. In what year will English Ivy cover over 400 mi² in Oregon?

Write the function (f(x)): The average listing price of a home in Des Moines, Iowa was $182,500 as of 2021. Experts predict that home values will increase by 2.5% per year.

The average listing price of a home in Des Moines, Iowa was $182,500 as of 2021. Experts predict that home values will increase by 2.5% per year. In what year will the average home price in Des Moines exceed $250,000?

Does the function a(x) = 4^x + 10 show growth or decay?

a(x) = 4^x + 10. What is the equation for the asymptote?

Does the function b(x) = 0.5^x + 1.5 show growth or decay?

b(x) = 0.5^x + 1.5. What is the equation for the asymptote?

Does the function c(x) = (1/4)^x-11 show growth or decay?

c(x) = (1/4)^x-11. What is the equation for the asymptote?

Does the function d(x) = 10(3/2)^x show growth or decay?

d(x) = 10(3/2)^x. What is the equation for the asymptote?

Does the function e(x) = 0.2(5)^x+2 - 1 show growth or decay?

e(x) = 0.2(5)^x+2 - 1. What is the equation for the asymptote?

Does the function f(x) = 0.95^x - 1.65 show growth or decay?

f(x) = 0.95^x - 1.65. What is the equation for the asymptote?

Does the function g(x) = 2(50)^x show growth or decay?

g(x) = 2(50)^x. What is the equation for the asymptote?

Does the function h(x) = 1^x - 6 show growth or decay?

Does the function j(x) = (9/17)^x+4 - 4 show growth or decay?

j(x) = (9/17)^x+4 - 4. What is the equation for the asymptote?