Functions in Real Life
Authored by Hannah Mickler
Mathematics
6th - 8th Grade
CCSS covered
Used 3+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the rate of change of a function over a given interval?
The integral of the function over that interval
The product of the x-values and y-values over that interval
The sum of the x-values and y-values over that interval
The difference in the y-values divided by the difference in the x-values over that interval
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How do you determine the x-intercepts of a quadratic function?
By finding the vertex of the function
By integrating the function
By setting the function equal to zero and solving for x
By calculating the derivative of the function
Tags
CCSS.HSA-SSE.B.3B
CCSS.HSF-IF.C.8A
3.
MATH RESPONSE QUESTION
1 min • 1 pt
Emerson has $120. Each week, he saves an additional $15.
Write a function that models the total amount of money Emerson has after weeks. (Do NOT use $ dollar signs in your expression.)
?
Mathematical Equivalence
ON
Answer explanation
Emerson HAS $120. Each week, he saves an additional $15.
Total money after "x" weeks go by
= $120 + $15 each week
= $120 + $15x
ANSWER: f(x) =
Tags
CCSS.HSF-BF.A.1A
4.
GRAPHING QUESTION
1 min • 1 pt
Plot 5 points that the following function passes through:
Tags
CCSS.HSF-IF.C.7B
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
f(x) = x+7 find f(1)
5
6
7
8
Tags
CCSS.HSF.IF.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
f(x) = x-5 find f(8)
5
3
9
13
Tags
CCSS.HSF.IF.A.2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is x if
f(x) = -2?
Tags
CCSS.HSF.IF.A.2
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