2-1
2-6
2-7
3-1
REVIEW
100
Miles Driven and Rental Car Pricing
100
Identify the domain and range of the relation and determine whether it is a function.
{(−3, 6), (0, 2), (1, 0), (2, −3)}
- A.Domain: {−3, 0, 2, 6}, Range: {−3, 0, 1, 2}; this relation is a function
- B.Domain: {−3, 0, 1, 2}, Range: {−3, 0, 2, 6}; this relation is not a function
- C.Domain: {−3, 0, 1, 2}, Range: {−3, 0, 2, 6}; this relation is a function
- D.Domain: {−3, 0, 2, 6}, Range: {−3, 0, 1, 2}; this relation is not a function
C
100
Which of the following values is not one of ƒ(1), ƒ(2), ƒ(3), or ƒ(4)?
ƒ(x) = −4x − 9
- A.−13
- B.−16
- C.−17
- D.−21
B
100
Using the slope formula, find the slope of the line through the given points.
(2,5) and (5,2)
-1
100
What is the solution of 5(y − 4) = 7(2y + 1)?
- A y=3
- B.y=9
- C.y=-9
- D.y=-3
D
200
C
200
Identify the domain and range of the relation and determine whether it is a function.
{(-1, −4), (0, 0), (1, 4), (2, 8)}
- A.Domain: {−1, 0, 1, 2}, Range: {−4, 0, 4, 8}; this relation is a function
- B.Domain: {−1, 0, 1, 2}, Range: {−4, 0, 4, 8}; this relation is not a function
- C.Domain: {−4, 0, 4, 8}, Range: {−1, 0, 1, 2}; this relation is a function
- D.Domain: {−4, 0, 4, 8}, Range: {−1, 0, 1, 2}; this relation is not a function
A
200
Which of the following values is not one of ƒ(1), ƒ(2), ƒ(3), or ƒ(4)?
ƒ(x) = 2x − 4
- A.-2
- B.0
- C.2
- D.8
D
200
Find the slope of this graph:
3
200
Solve
4/10=X/5
X=2
300
B
300
Decide if this is a function or not.
(1,9),(4,7),(9,8),(1,4)
A. Function
B. Not a function
B
300
If f(x) = 5x + 11 and f(x) = 61, what is the value of x?
- A.x= 10
- B.x=−2
- C.x= 6
- D.x=9
A
300
A
300
(X+2)/10=4/5
X=6