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- 1. Multiple Choice
Sales increased steadily for a few days. Sales then decreased before beginning to increase again.Sales decreased at first, then began to increase steadily.Sales increased steadily, then stayed constant for a few days. Then the sales increased again.There is not enough data to describe the situation. - 2. Multiple ChoiceIdentify the domain and range for the given relation. Tell whether the relation is a function and explain.D:{-1,0,1}; R:{0,1,2}; no; 0 is paired with 0 and 1.D:{-1,0,1}; R:{0,1,2}; yes; each domain value is paired with exactly one range value.D:{0,1,2}; R:{-1,0,1}; no; 0 is paired with 0 and 1.D:{0,1,2}; R:{-1,0,1}; yes; each domain value is paired with exactly one range value.
- 3. Multiple ChoiceIdentify the independent and dependent variables, and write an equation in function notation for the given situation:
A concert ticket costs $60.independent: number of tickets; dependent: cost; rule: f(t)=60tindependent: cost; dependent: number of tickets; rule: f(60t)=tindependent: number of tickets; dependent: cost; rule: f(60t)=tindependent: cost; dependent: number of tickets; rule: f(t)=T+60 - 4. Multiple Choicef(77)=67f(77)=59f(77)=49f(77)=39
- 5. Multiple ChoiceIdentify the correlation you would expect to see between the weight of baggage someone carries and the speed at which he or she walks. Explain.negative correlation; as the weight of the baggage increases, the speed at which the person walks decreased.positive correlation; as the weight of the baggage increases, the speed at which the person walks decreased.no correlation; a person walks at an equal speed regardless of the weight carried.none of the above
- 6. Multiple ChoiceIdentify the correlation you would expect to see between the weight and age of a child. Explain.negative correlation; the weight of a child decreases with age.positive correlation; the weight of a child increases with age.no correlation; the weight and age of a child are not related to each other.none of the above
- 7. Multiple ChoiceSuppose the scatter plot shows the number of immigrants to a small country since the year 2000. Based on this relationship, predict the number of immigrants in the year 2007.3004008001100
- 8. Multiple ChoiceWhich of the following is NOT an arithmetic sequence?5, 6, 7, 8, ...4, 6, 11, 12, ...4, 6, 8, 10, ...10, 20, 30, 40, ...
- 9. Multiple ChoiceFind the 40th term of the arithmetic sequence.
-1, -5, -9, -13, -17, ...-159-160-157-161 - 10. Multiple ChoiceD: {1, 4, 9}; R{1, 2, 3}; no. 1 is an element of the domain and the range.D: {1, 2, 3, 4}; R: {1, 4, 9, 16}; yes; each domain value is paired with exactly one range value.D: {1, 2, 3, 4}; R: {1, 4, 9, 16}; no; 1 and 4 are elements of the domain and range.D: {1, 4, 9, 16}; R: {1, 2, 3, 4}; yes; each domain value is paired with exactly one range value.
- 11. Multiple ChoiceIdentify the domain and range of the given relation.D:-3≤x≤3
R:-2≤y≤2D:-2≤x≤2
R:-3≤y≤3D:-2≤x≤3
R:-3≤y≤2D:-3≤x≤2
R:-2≤y≤3 - 12. Multiple Choice
A wedding singer is paid $60 per hour plus $15 for travel expenses. Identify the independent and dependent variables, and write an equation in function notation for the given situation.
independent: number of hours; dependent: pay; rule: f(h)=15+60h
independent: pay; dependent: number of hours; rule: f(h)=60+15h
independent: pay; dependent: number of hours; rule: f(h)=15+60h
independent: number of hours; dependent: pay; rule: f(h)=15h+60
- 13. Multiple ChoiceFor the function f(m)=⅗m+5, find f(m) when m=50.f(50)=35f(50)=30f(50)=25f(50
- 14. Multiple ChoiceThe scatter plot shows the total number of cares sold in December at a car showroom. Based on this relationship, predict the total number of cars sold by December 7th.20253040
- 15. Multiple ChoiceA shopkeeper sells blankets for $100 each. She has 6 blankets to sell. Identify the graph that represents this situation.ABCD
- 16. Multiple ChoiceIdentify the graph of the function.
y=|x-2|ABCD - 17. Multiple ChoiceIdentify the graph of the function for the given domain.
x+2y=4
D:{-4, -2, 0, 2, 4}ABCD - 18. Multiple ChoiceWhich of the following correctly expresses the relation {(2, 5), (-1,4), (3, 6), (0,4)}?ABCD
- 19. Multiple ChoiceIdentify the graph of the function for the given domain. 2x+y=3; D: {-3, -1, 0, 1, 3}ABCD
- 20. Multiple ChoiceIdentify the graph of the function.
y=|x+4|ABCD - Answer choicesTagsAnswer choicesTags