Graphs Exponential Functions

Quiz
•
Mathematics
•
9th Grade
•
Hard
+1
Standards-aligned
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the domain of this function?
Answer explanation
The domain of all exponential functions is negative to positive infinity. This is because you can plug in any x-value and get a y-value from the function. Always list the domain from lowest value to highest value.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the range of this function?
Answer explanation
This function has an asymptote at y=4 and is decreasing. The bottom bound will be negative infinity. The top most y-value is 4, but we use a curved bracket, because 4 is not included (just infinitely close to 4).
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.B.5
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the y-intercept of this function?
Answer explanation
The function crosses the y-axis at y=3.
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Is this function increasing or decreasing?
Increasing
Decreasing
Answer explanation
This function is decreasing, because as you move from left to right, the y-values get smaller.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the domain of this function?
Answer explanation
The domain of all exponential functions is negative to positive infinity. This is because you can plug in any x-value and get a y-value from the function. Always list the domain from lowest value to highest value.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.B.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the range of this function?
Answer explanation
This function has an asymptote at y=0 and is decreasing. The bottom bound is the asymptote, y=0. Use a curved bracket, because we approach but never reach y=0. The upper bound is positive infinity. (As you move to the left, the y-values will go up forever).
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.B.5
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
What is the y-intercept of this function?
Answer explanation
The function crosses the y-axis at y=3.
Tags
CCSS.HSF-IF.C.7E
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