Which relation is a function? EXPLAIN your reasoning.
2 points
2
Question 2
2.
Identify the domain and range of the relation.
-1
2
8
9
16
30
46
Domain
Range
2 points
2
Question 3
3.
What is the best description of the relation? EXPLAIN your reasoning.
3 points
3
Question 4
4.
Jack works after school. Each day he earns a set amount, plus an hourly wage. Write a linear function f Jack can use to determine his pay. SHOW YOUR WORK.
2 points
2
Question 5
5.
Jack works after school. Each day he is paid a set amount, plus an hourly wage. Which is a reasonable domain for the function? EXPLAIN YOUR REASONING.
2 points
2
Question 6
6.
Jack works after school. Each day he is paid a set amount, plus an hourly wage.
Assume Jack works from 2:30 P.M. to 7:00 P.M., how much would he earn? SHOW YOUR WORK!
3 points
3
Question 7
7.
Given f(x) = –x + 6 and g(x) = f(x + 3) write an equation for function g. SHOW YOUR WORK!
2 points
2
Question 8
8.
Suppose g(x) = f(x) + k.Identify a value of k that transforms f into g. SHOW YOUR WORK.
3 points
3
Question 9
9.
Given f(x) = -6x + 8 and h(x) = -4f(x), what are the slope and y-intercept of the graph of the function h? SHOW YOUR WORK!
2 points
2
Question 10
10.
Which of the following is an arithmetic sequence? EXPLAIN YOUR REASONING!
1 point
1
Question 11
11.
The cost of having one pizza delivered is $14. Each additional pizza costs $9 more. Write the recursive formula to represent the situation. Include a1. SHOW YOUR WORK.
2 points
2
Question 12
12.
The cost of having one pizza delivered is $14. Each additional pizza costs $9 more. Write the explicit formula to represent the situation. SHOW YOUR WORK.
3 points
3
Question 13
13.
Each day, Yumiko exercises by first doing sit-ups and then running. Make a scatter plot of the total time she exercises as a function of the distance she runs. Draw a trend line.
2 points
2
Question 14
14.
What type of correlation does the scatter plot in Item 13 show? EXPLAIN YOUR REASONING!
2 points
2
Question 15
15.
Which of the following equations is the best trend line for the data in Item 13? SHOW YOUR WORK!
1 point
1
Question 16
16.
What does the y-intercept of the line in Item 13 represent? EXPLAIN YOUR REASONING!
1 point
1
Question 17
17.
In Item 13, estimate the time it will take Yumiko to run 5 mi. SHOW YOUR WORK! HINT: Use the trend line equation from Item 15.