WorksheetsCh 6 review
Total questions: 54
Worksheet time: 2hrs 23mins
Which represents exponential decay?
A
B
C
D
What is the initial value of the situation represented by f(x)=0.05(2)x?
0.05
2
0.1
1
Which variable represents time passed in the function y=abx?
y
a
b
x
This is the horizontal line which the values of the function cannot fall below :
Asymptote
Growth Factor
Axis of symmetry
Curve
Is the following function and example of decay or growth?
f(x)=2(0.85)x
Exponential Decay
Exponential Growth
Is the following function an example of decay or growth?
f(x) = 2(1.25)x
Exponential Growth
Exponential Decay
x2/3
∛x⁷
Write the function for the following table:
f(x) = 5x + .08
f(x)= 5x + 2
f(x) = .08(5)^x
f(x)= 2(5)^x
Write the function for the following table:
f(x)= 1(2)^x
f(x)= 2(1)^x
f(x) = 2x+1
f(x)= x+2
Write the function for the following table:
f(x) = 1(3)^x
f(x) = 3(3)^x
f(x) = 3x+3
f(x)= 6x+1
Write the function for the following table:
f(x)= 6x-2
f(x)= 10x+2
f(x)= 2(6)^x
f(x)= 6(2)^x
Write the function for the following table:
f(x)= 1/3x + 27
f(x)= 3x+27
f(x)= 243(3)^x
f(x) = 27(1/3)^x
28, 14, 7, 3.5...
3, 15, 75...
Given the equation below determine the y-intercept.
y=3x(0, 1)
(0, 3)
x= 0
y = 0
In the compound interest formula A=P(1+r)t what does the A stand for?
The amount of interest
The total amount
The interest rate
The time
In the compound interest formula A=P(1+r)t what does the P stand for?
The time
The total amount
The principal amount (original amount)
The interest rate
Jacob borrows $500 from Abraham and agrees to have the loan compounded annually for 5 years with an interest rate of 2.5%. How much will the total amount be that Jacob owes?
$565.70
$262609.38
$65.70
$630.20
Hei-Hei has $1500 in a retirement account earning 5% interest compounded annually. After 5 years how much does Hei-Hei have in the account?
$1750
$2010.14
$2500
$1914.42
Henry deposits $750 into a college savings account that is compounded annually when his parents received as a stimulus package. If Henry lets the money sit in the account without adding or removing any and receives a 8.5% interest rate, how much money will he have total after 5 years?
$1127.74
$1535.24
$2345.67
$850.76
Julia invested $1000 for college in an account earning 5% compounded annually. When she checked the account after 4 years, how much money did she find in the account?
Not enough
$563.24
$1215.51
$3200.12
Trevor wants to have $4000 saved up in 3 years for a car. If he invests $1500 in a savings account that is compounded annually at an interest rate of 12%, will he have enough money at the end of the 4 years?
Yes
No
Daniel invests $360 in a bank account that is compounded annually for 8 years with an interest rate of 5.5%. What will be the total amount in the account after the 8 years is over?
$625.88
$950.12
$315.45
$552.49
Change 6.5% to a decimal
.65
6.5
.065
.065%
Change 18% to a decimal
18
.18
.018
.18%
What is the growth factor for the equation?
y = 200(1.8x)
200
1.8
80%
What is the initial value for the equation?
y = 200(1.8x)
200
1.8
80%
What is the growth rate for the equation?
y = 200(1.8x)
200
1.8
80%
Sally invests $750 dollars into a bank that pays 7% interest.
What is the growth factor?
750
1.7
1.07
7%
Sally invests $750 dollars into a bank that pays 7% interest.
What is the growth rate?
750
1.7
1.07
7%
Sally invests $750 dollars into a bank that pays 7% interest.
What is the initial value?
750
1.7
1.07
7%
At the McBurger fast food chain, a combo costs $9. If you upgrade the size of the drink, the cost increases by 10% What is the cost of the upgraded combo?
$0.9
$9.9
$90
$10
At a movie theater, a standard movie ticket costs $15. After upgrading to 3-D, the price increases to $21. What is the percent increase (growth rate) of the upgrade?
40%
60%
4%
1.4%
