Exponential Rates
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
Anthony Clark
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the function f(x)=142(1.005)x , is this growth or decay and by how much?
Growth by 5%
Growth by 0.5%
Decay by 5%
Decay by 0.5%
Tags
CCSS.HSF-IF.C.8B
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the function f(x)=1.25(0.65)x , is this growth or decay and by how much?
Growth by 25%
Growth by 65%
Decay by 25%
Decay by 35%
Tags
CCSS.HSF-IF.C.8B
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the function f(x)=200(1.7)x , is this growth or decay and by how much?
Growth by 70%
Growth by 30%
Decay by 30%
Decay by 70%
Tags
CCSS.HSF-IF.C.8B
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Find the balance if a bank account starts with $100, has an annual rate of 4% and the money is left in the account for 12 years. Write answer as dollars and cents.
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In 1985, there were 285 cell phone subscribers in a small town. That number increased by 75% per year after 1985. How many subscribers were there in 1994? (Round to nearest whole.)
Tags
CCSS.HSF-LE.A.1C
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Given that a particular bacteria doubles every hour, if we start with one bacteria, how many will there be at the end of one whole day?
Tags
CCSS.HSF.LE.A.4
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The population of a certain town is modeled by f(x)=6191(1.04)x . By what percent did the population increase by each year?
Tags
CCSS.HSF-IF.C.8B
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