# exponential

### Zombies are doubling every 2 days. If two people are turned into zombies today, how long will it tak

Zombies are doubling every 2 days. If two people are turned into zombies today, how long will it take for the population of about 600,000 to turn...
Thread by: math_celebrity, Nov 30, 2021, 0 replies, in forum: Calculator Requests

### Matthew's pay increases by 20% each month. If his first pay is \$450, determine the amount of his pay

Matthew's pay increases by 20% each month. If his first pay is \$450, determine the amount of his pay in month 5. Let me be the number of months....
Thread by: math_celebrity, Nov 10, 2021, 0 replies, in forum: Calculator Requests

### The flu is starting to hit Lanberry. Currently, there are 894 people infected, and that number is gr

The flu is starting to hit Lanberry. Currently, there are 894 people infected, and that number is growing at a rate of 5% per day. Overall, how...
Thread by: math_celebrity, Oct 8, 2021, 0 replies, in forum: Calculator Requests

### Plutonium 241 has a decay rate of 4.8 % per year. How many years will it take a 50 kg sample to deca

Plutonium 241 has a decay rate of 4.8 % per year. How many years will it take a 50 kg sample to decay to 10 kg? Since 4.8% is 0.048, we have...
Thread by: math_celebrity, Sep 30, 2021, 0 replies, in forum: Calculator Requests

### A virus is spreading exponentially. The initial amount of people infected is 40 and is increasing at

A virus is spreading exponentially. The initial amount of people infected is 40 and is increasing at a rate of 5% per day. How many people will be...
Thread by: math_celebrity, Jun 12, 2021, 0 replies, in forum: Calculator Requests

### the university of california tuition in 1990 was \$951 and tuition has been increasing by a rate of 2

the university of california tuition in 1990 was \$951 and tuition has been increasing by a rate of 26% each year, what is the exponential formula...
Thread by: math_celebrity, Oct 23, 2020, 0 replies, in forum: Calculator Requests

### A car drives 3 feet the first second, 9 feet in the next second, and 27 feet in the third second. If

A car drives 3 feet the first second, 9 feet in the next second, and 27 feet in the third second. If the pattern stays the same, how far will the...
Thread by: math_celebrity, Aug 30, 2020, 0 replies, in forum: Calculator Requests

### If 200 bacteria triple every 1/2 hour, how much bacteria in 3 hours

If 200 bacteria triple every 1/2 hour, how much bacteria in 3 hours Set up the exponential function B(t) where t is the number of tripling times:...
Thread by: math_celebrity, Jun 15, 2020, 0 replies, in forum: Calculator Requests

### A private high school charges \$36,400 for tuition, but this figure is expected to rise 10% per year.

A private high school charges \$36,400 for tuition, but this figure is expected to rise 10% per year. What will tuition be in 10 years? Let the...
Thread by: math_celebrity, Apr 30, 2020, 0 replies, in forum: Calculator Requests

### A super deadly strain of bacteria is causing the zombie population to double every day. Currently, t

A super deadly strain of bacteria is causing the zombie population to double every day. Currently, there are 25 zombies. After how many days will...
Thread by: math_celebrity, Nov 4, 2019, 0 replies, in forum: Calculator Requests

### A city has a population of 240,000 people. Suppose that each year the population grows by 7.25%. Wha

A city has a population of 240,000 people. Suppose that each year the population grows by 7.25%. What will the population be after 9 years? Let's...
Thread by: math_celebrity, Mar 12, 2017, 0 replies, in forum: Calculator Requests

### Scientists are studying a cell that divides in half every 15 minutes. How many cells will there by a

Scientists are studying a cell that divides in half every 15 minutes. How many cells will there by after 2.5 hours? Divide 2.5 hours into 15...
Thread by: math_celebrity, Jan 23, 2017, 0 replies, in forum: Calculator Requests