Miscellaneous
Word Problems
Writing Equations
Tables
100
State the domain and range of the function provided.
D: All Real Numbers
R: y is greater than 0
100
Amy makes an initial investment of $5,000. The investment loses 13.5% each year. Find the amount Amy has at the end of 8 years.
*Include 2 decimal place values - ROUND PROPERLY.*
$1,567.11
100
Each year I make a bonus of $200. When I started working I had a base salary of $50,000. Write an equation to model this situation of my income after 15 years working at the company.
**DO NOT SOLVE**
y=200(15)+50000
100
Write an equation given the table.
y=10x+5
200
State the domain and range for the graph provided.
D: All Real Numbers
R: All Real Numbers
200
A town with a population of 5,000 grows 3% per year. Find the population total at the end of 10 years.
*Round to the nearest person.*
6,719 people
200
The number of customers at a coffee shop this year was 28,800. The owner hopes to see a 20% increase each year.
y=28800(1.2)^x
y=28800(1+0.20)^x or
200
Write an equation given the following information.
y=4x
300
x -> +oo, y ->
x-> -oo, y ->
x -> -oo, y -> 0
x->+oo, y-> +oo
300
Suppose you deposit $1,000 into a college fund that pays 7.2% interest compounded annually. Find the account balance after 5 years.
*Include 2 decimal place values - ROUND PROPERLY.*
$1,415.71
300
Write the equation in slope intercept form that goes through the points: (0,5) and (5,15).
y=2x+5
300
Write an equation given the table. 
y=0.04(1/5)^x
400
What changes when
f(x)=10^x becomes
f(x)=10x
The function changes from exponential to linear.
400
A radioactive element decays at a rate of 5% annually. There are 40 grams of the substance present. How much of the substance remains after 30 years? Round to the nearest tenth.
8.6 grams
400
The yearly profits of a company is $28,000. The profits have been decreasing by 8% each year.
y=28000(1-0.08)^x or y=28000(0.92)^x
400
y=1.2(1/2)^x
500
What is Ms. Dossey's favorite ice cream flavor?
Strawberry :)
500
The population of Smalltown in the year 1880 was 6,250. Since then, it has increases at a rate of 3.75% each year. What was the population in 1940?
479,057 people
500
The number of bacteria doubles every 25 hours and there is currently a population of 10,000. What will the population be 75 hours from now?
**Write the equation: DO NOT solve**
f(x)=10000(2)^3
500
Write an equation given the table. 
y=100(1/10)^x