Exponents Review Part 1 | Baamboozle - Baamboozle

English 12 Public

Review of Exponential Growth and Decay

Study Slideshow

Write an equation. Han Solo can fill the Millennium Falcon with 4828 units of fuel, but he loses 13% of his fuel every hour.

y=4828(.87)^x

In December of 2017, there were about 30 million fortnite players in the world. One month later, it grew 50 percent. If this continued, what would be your equation?

y = 30000000(1.50)^x

Student loans can have an interest rate as high as 7%. If you go to SLCC, it will cost you about $19031 for your first year. If you take out a loan, what is the equation for your debt?

y = 19031 (1.07)^x

Your $20,000 car depreciates by 15% each year. Write an equation and determine how much you could sell your car for in 7 years.

y=20000(.85)^x and $6411.54

Harry Potter drank 300 milligrams of a potion that makes him fire-resistant. His body flushes out 38% of the potion every hour. How much will be left in his body after 2 hours?

y=300(1-.38)^x or y=300(.62)^x, 115.32 milligrams.

What is the initial value for the equation y=122(.92)^x?

a=122

What is the rate of change for the equation y=122(.92)^x?

8% (Decay)

Solve the following equation for x

x=1/2

Solve the equations for x.

x=-4

If y=122(0.92)^x represents the number of bald eagles left in the world after x years, how many bald eagles will there be in 5 years?

80 bald eagles

Select the correct equation for the graph