Exponential Word Problems with Compound Growth and Half-Like

Quiz
•
Mathematics
•
9th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You have 30,016 grams of radioactive kind of rubidium. How much will be left after 54 minutes if its half-life is 18 minutes?
15,008 grams.
7,504 grams
3,752 grams.
1,876 grams.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gasoline costs $1.99 per gallon. If the price per gallon increases an average of 6% per month, which function models the exponential growth of the pricing?
1.06(1.99)t
1.99(1.06)t
[1.06(1.99)]t
1.99(.94)t
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the initial value for the function: f(x) = 300(1.16)x?
300
1.16
.16
x
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The population of Hickory NC, can be modeled by P=6191(1.04)t where t is the number of years since 1995. What was the population in 1995?
6191
1
1995
1.04
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)3
Growth
Decay
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A population of a city is 422,000 and increases by 12% each year. Use an exponential function to find the population of the city after 8 years.
100,144 people
1,083,024 people
1,044,856 people
200,000 people
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Twenty years ago, Mr. Davis purchased his home for $160,000. Since then, the value of the home has increased about 5% per year. How much is the home worth today?
$176,783.29
$424,527.63
$57,357.75
$532,041,076.80
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