Exponential Functions Predictions
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
Standards-aligned
Anthony Clark
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Pick the equation that is exponential decay
y=2000(0.88)
y=0.5(1.88)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scientist studied bacteria. She placed 5 bacteria in a dish. The population of the bacteria doubles every 12 hours.
Which equation can be used to determine the number of bacteria, y, present after x days?
y = 5(2)x
y = 5(10)x
y = 5(2)2x
y = 5(10)2x
Tags
CCSS.HSF.LE.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The function f(x) = (4)x was replaced with f(x) + k, resulting in the graph shown. What is the value of k?
0
1
-1
2
Tags
CCSS.HSF-IF.C.7E
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Every 10 years, the Census counts how many people are living in every town in the US.
- The 2010 Census showed that 2000 people lived in Fruitland, and 5000 people lived in Batcave.
- The population of Fruitland is predicted to double every 5 years.
- The population of Batcave is predicted to increase by 1000 every 5 years.
*If the predictions are true, what will be the first Census year that Fruitland's population will be larger than Batcave?
2015
2020
2002
2001
Tags
CCSS.HSF.LE.A.4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Joey and Roger are playing a game.
- Joey and Roger each started with 50 points.
- At the end of each turn, Joey's points double.
- At the end of each turn, Roger's points increase by 200.
At the start of which turn will Joey have more points than Roger?
2
3
4
5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A club began with 4 members. Each month, each member brought 2 new members. Which function can be used to determine the number of members x months after the club began?
f(x) = 2x + 4
f(x) = 4x + 2
f(x) = 4(2)x
f(x) = 4(3)x
Tags
CCSS.HSF.LE.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of this table?
y=512(1/4)x
y=32(4)x
y=32(1/4)x
y=512(4)x
Tags
CCSS.HSF.LE.A.2
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