Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.
Applications of Exponential and Logarithmic Functions

Quiz
•
Mathematics
•
9th - 12th Grade
•
Easy
Earl John Pascual
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.
(HINT: Write out the equation on a separate piece of paper and then simplify inside the parenthesis)
y=6(0.14)x
y=6(1+14)x
y=6(1.14)x
y=6(0.86)x
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
You buy a new computer for $2100. The computer decreases by 50% annually. Which function represents the situation?
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
You have inherited land that was purchased for $30,000 in 1960. The value of the land increased by approximately 5% per year. Write an equation to represent the situation:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which exponential function is used to represent a word problem that is decreasing over time?
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
You invested $400 into an account with 7.5% interest rate compounded monthly. Which equation can be used to calculate how much you will have in 7 years?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the balance of $6000 compounded annually at a rate of 4% for 10 years?
Use the function below:
$8,881.47
$7,432.93
$8,400
$6,500
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