Algebra 1-1 CT Unit 3 Test Review In-class 1 Name ______
1. Tell whether each relation represents a function and identify the given domain or range.a.
x / y
–8 / -3
–8 / -2
–8 / -1
–8 / 0
–8 / 1
–8 / 2
–8 / 3
a. Function?: Yes or No
b. Domain:______
c. Range: ______ / b.
a. Function?: Yes or No
b. Domain: ______
c. Range: ______ / c. (5, 1), (-2, 7), (3, 0), (5, 3), (4, 1)
a. Function?: Yes or No
b. Domain: ______
c. Range: ______
d.
a. Function?: Yes or No
b. Domain:______
c. Range: ______ / e.
a. Function?: Yes or No
b. Domain: ______
c. Range: ______ / f.
a. Function?: Yes or No
b. Domain: ______
c. Range: ______
2. If and g(x) = x2 – 4x + 2, find:
a. f(8) / b. f(–12) / c. x, when f(x) = 14
d. x, when f(x) = -10 / e. g(-5) / f. g(0)
3. Identify the independent and dependent variables in each relationship.
a. The relationship between the number of books you read and the time that you spend reading
Independent ______
Dependent ______/ b. Gracie works at a miniature golf course.
Customers pay $5.50 per game of golf.
Independent ______
Dependent ______
4. Which graph best represents this situation?
The air temperature was constant for several hours at the beginning of the day and then rose steadily for several hours. It stayed the same temperature for most of the day before dropping sharply at sundown.
13. ______
5. Use this graph of y = h(x) to answer a–i.
/ a. Find f (5).
b. Find f (0).
c. For what x-values does
f (x) = 2?
d. For what x-values does
f (x) = 1?
/ e. What is the domain? / f. What is the range?
g. Name a label(s) when the graph is increasing. / h. Name a label(s) when the graph is decreasing. / i. Name a label(s) when the graph is constant.
Algebra 1-1 CT Unit 3 Test Review In-class 1 Name ______
6. The graph shows Jacob’s interest in school throughout the day. The graph shows his interest level for each hour.a.) Label the axis with the indepent and dependent variables.
b.) At what hour does Jacob have the most interest? / c.) What was his interest level after 20 hours?
d.) At what interval was his interest level rising fastest? / e.) Name one interval where his interest level was decreasing?
7. Describe the graph using as many of the words as possible: function, discrete, continuous, constant, increasing, or decreasing.
a.
/ b.
/ c.
d.
/ e.
/ f.
8. Solve.
a. / b. / c.
d. / e. / f.
Algebra 1-1 CT Unit 3 Test Review In-class 2 Name ______
1. Tell whether each relation represents a function and identify the given domain or range.a.
x / y
–2 / -3
–2 / -2
–2 / -1
–2 / 0
–2 / 1
–2 / 2
–2 / 3
a. Function?: Yes or No
b. Domain:______
c. Range: ______ / b.
a. Function?: Yes or No
b. Domain: ______
c. Range: ______ / c. (-8, 1), (2, 1), (3, 1), (5, 1), (7, 1)
a. Function?: Yes or No
b. Domain: ______
c. Range: ______
d.
a. Function?: Yes or No
b. Domain:______
c. Range: ______ / e.
a. Function?: Yes or No
b. Domain: ______
c. Range: ______ / f.
a. Function?: Yes or No
b. Domain: ______
c. Range: ______
2. If and g(x) = x2 – 3x + 5, find:
a. f(9) / b. f(–6) / c. x, when f(x) = 14
d. x, when f(x) = -10 / e. g(-5) / f. g(0)
3. Identify the independent and dependent variables in each relationship.
a. The relationship between the number of people raking leaves and the time is takes to finish raking
Independent ______
Dependent ______/ b. Sam works for a haircut salon.
Customers pay $15 per haircut.
Independent ______
Dependent ______
4. Which graph best represents this situation?
Your pet canary flies out your bedroom window and head up to the top of a tree and sits for a while. It then dives towards the ground to get a worm and heads back to your bedroom.
A.
/ B.
/ C.
/ D.
16. ______
5. Use this graph of y = h(x) to answer a–i.
/ a. Find f (5).
b. Find f (0).
c. For what x-values does
f (x) = 0?
d. For what x-values does
f (x) = 3?
/ e. What is the domain? / f. What is the range?
g. Name a label(s) when the graph is increasing. / h. Name a label(s) when the graph is decreasing. / i. Name a label(s) when the graph is constant.
Algebra 1-1 CT Unit 3 Test Review In-class 2 Name ______
6. Jared has a concussion. The graph shows Jared’s pain level throughout the day. He rated on a scale of 1 – 10 with 10 being the worst pain. He recorded every hour for 10 hours.a.) Label the axis with the indepent and dependent variables.
b.) What was Jared’s pain level at hour 2? / c.) At what hour was Jared’s pain level the highest?
d.) At what interval was his pain level decreasing the fastest? / e.) Name one interval where his pain level was increasing?
7. Describe the graph using as many of the words as possible: function, discrete, continuous, constant, increasing, or decreasing.
a.
/ b.
/ c.
d.
/ e.
6. / f.
8. Solve.
a. / b. / c.
d. / e. / f.