Word Up
A computer valued at $5800 depreciates at the rate of 12.8% per year. Write a function that models the value of the computer. Find the value of the computer after 5 years. Round to the nearest hundredth (cent).
$2924.22
Use the table to find the number of bacteria in 8 days
Day Bacteria
0 9000
1 12000
2 16000
88,116 bacteria
Describe the transformations for the function:
y = -2(3)x+2 - 5
Reflected, Stretch by 2, Move left 2, Move down 5
Describe the transformations for the function:
y = 4(1/2)x-1 - 2
Stretch by 4, Move right 1, Move down 2
A Pokemon card bought for $80 increases 2% in value each year. Write a function that models the value of the card. Find the value of the Pokemon card after 20 years. Round your answer to the nearest hundredth (cent).
$118.88
Use the table to find the value of the car in 7 years
Year Value in $
0 45000
1 37800
2 31752
$13,279.07
Find the asymptote and give the best three values to use for x for the function.
y = -2(3)x+2 - 5
horizontal asymptote: y = -5
best x values: -2, -1, and -3
Find the asymptote and give the best three values to use for x for the function.
y = 4(1/2)x-1 - 2
horizontal asymptote: y = -2
best x values: 1, 2, and 0
The world population in 2010 was approximately 6.97 billion. The annual rate of increase was about 0.88%. Write a function to model the world population. Find the world population in 2024. Round to the nearest ten million (2nd place after the decimal).
7.88 billion
Use the table to find the number of bats in 50 years
Year Bats
0 12400
1 12772
2 13155
54,360 bats
Complete the table for the function: y = -2(3)x+2 - 5
x y
-2
-1
-3
(-2, -7), (-1, -11), (-3, -5.67)
Complete the table for the function: y = 4(1/2)x-1 - 2
x y
1
2
0
(1, 2), (2, 0), (0, 6)