Increasing or Decreasing Exponential Function

Quiz
•
Mathematics
•
9th Grade
•
Hard
+2
Standards-aligned
Barbara White
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tags
CCSS.HSF-IF.C.7E
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tags
CCSS.HSF.LE.B.5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tags
CCSS.HSF.LE.A.2
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The amount of ants in a colony, f(x), that is decaying can be modeled by f(x) = 800(.87)x, where x is the number of days since the decay started. Suppose f(20) = 49. Which of the following is true?
After 20 days, there are 49 ants in the colony.
After 49 days there are 20 ants in the colony.
The amount of ants times 20 is 49.
After 20 days the amount of ants remaining decreases by 49.
Tags
CCSS.HSF-IF.C.8B
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Is the population of elephants increasing or decreasing?
Tags
CCSS.HSF-IF.C.8B
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What does the value 12 represent?
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The equation f(t) = 12(1.015)t models the population of elephants in a wildlife refuge after t years since 1975.
What does the value 1.015 represent?
The number of elephants was 1,015 in 1975.
The number of elephants increases by 1.5% each year.
The number of elephants increases by 101.5% each year.
The number of elephants is multiplied by 1.015 each year.
Tags
CCSS.HSF.LE.B.5
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