What is the initial value for the equation y=122(.92)^x?
a=122
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20
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
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seesaw
Swap points!
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shark
Other team loses 25 points!
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shark
Other team loses 10 points!
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baam
Lose 15 points!
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20
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.
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15
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
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5
What is the rate of change for the equation y=122(.92)^x?
8% (Decay)
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10
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
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15
Select the correct equation for the graph
B
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heart
Other team wins 25 points!
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gold
Win 50 points!
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shark
Other team loses 25 points!
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lifesaver
Give 5 points!
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15
Select the correct equation for the graph
A
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eraser
Reset score!
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star
Double points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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15
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
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15
Write an equation. Han Solo can fill the Millennium Falcon with 4828 units of fuel, but he loses 13% of his fuel every hour.
