Complete the sentence about the relation shown below.
The relation is a many-to-one function because ...
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Question 5
5.
Jack works after school. Each day, he is paid a set amount, plus an hourly wage. Look at the table. Choose the linear function f Jack can use to find his pay.
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Question 6
6.
Jack works after school. Each day, he is paid a set amount, plus an hourly wage.
Which is a reasonable domain for the function that takes a number of hours as an input and yields an amount of pay as an output.
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Question 7
7.
Jack works after school. Each day, he is paid a set amount, plus an hourly wage.
Assume Jack works from 2:30 PM to 7:00 PM. Using the function you selected for question 5, how much should Jack earn?
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Question 8
8.
Given f(x)=-x+6, write an equation for f(x+3).
Your answer should be in the form f(x+3)=mx+b.
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Question 9
9.
Suppose g(x) = f(x) + k.Identify a value of k that transforms f into g.
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Question 10
10.
For any linear function f(x) = mx + b, when does 5f(x) = f(5x) + 5?
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Question 11
11.
Which of the following is an arithmetic sequence?
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Question 12
12.
The cost of having one pizza delivered is $14. Each additional pizza costs $9 more. Choose the explicit formula to represent the situation.
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Question 13
13.
The cost of having one pizza delivered is $14. Each additional pizza costs $9 more. Choose the recursive formula to represent the situation.
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Question 14
14.
Each day, Yumiko does sit-ups for a few minutes before running. But she doesn't always run the same distance, which means her workouts don't always take the same amount of time. Use the table of her exercise data to choose the scatter plot with the best trend line.
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Question 15
15.
Each day, Yumiko does sit-ups for a few minutes before running. But she doesn't always run the same distance, which means her workouts don't always take the same amount of time.
What type of correlation does the scatter plot show?
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Question 16
16.
Which could be an equation of the trend line shown in the graph?
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Question 17
17.
Each day, Yumiko does sit-ups for a few minutes before running. But she doesn't always run the same distance, which means her workouts don't always take the same amount of time.
What does the y-intercept of the trend line represent?
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Question 18
18.
Using the trend line y = 8x + 8, for the data shown, complete the residual table.
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Question 19
19.
Yumiko’s exercise data is shown. Using the trend line y = 8x + 8, how many minutes will it take Yumiko to run 5 \textrm{ mi}?
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Question 20
20.
Yumiko’s exercise data is shown. Complete the sentence with the correct word.
Using the trend line y = 8x + 8 to estimate how long it will take Yumiko to run 5 \textrm{ mi} is an example of ...
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Question 21
21.
Which r-value suggests a weak positive correlation?
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Question 22
22.
The table shows grade levels and heights of 6 students.
What type of correlation does the data show?
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Question 23
23.
The table shows grade levels and heights of 6 students.