1. Unit 5 Review

2. Which diagram represents a relation in which each member of the domain corresponds to only one member of its range?

3. Which set of ordered pairs does not represent a function
Which set of ordered pairs does not represent a function? Explain your Choice.
{(3,-2), (-2,3), (4,-1), (-1,4)}
{(3,-2), (3,-4), (4,-1), (4,-3)}
{(3,-2), (4,-3), (5,-4), (6,-5)}
{(3,-2), (5,-2), (4,-2), (-1,-2)}

4. Which relation does not represent a function?

5. The graph of y = f(x) is shown below
The graph of y = f(x) is shown below. Which point could be used to find f(-1)? A B C D

6. A function is graphed on the axes below
A function is graphed on the axes below. What function is related to the graph?
1. 𝑓 𝑥 = −3 2 𝑥 𝑥<0 𝑥 − 𝑥≥0
3. 𝑓 𝑥 = −3 2 𝑥− 𝑥<0 𝑥 − 𝑥≥0
2. 𝑓 𝑥 = −2 3 𝑥− 𝑥<0 𝑥 − 𝑥≥0
4. 𝑓 𝑥 = −2 3 𝑥− 𝑥<0 𝑥 − 𝑥≥0

7. The graph below is the graph of what type of function?
Linear
Exponential
Absolute value
Quadratic

8. Identify an increasing interval
1. −∞ <𝑥<−3
2. −2 <𝑥<0
<𝑥<∞
−2 <𝑥<2

9. Identify an positive interval
1. −∞ <𝑥<−4
2. −4 <𝑥<−1
−1 <𝑥<2
<𝑥<∞

10. A function is shown in the table below.
If included in the table, which ordered pair, (4, 1) or (1, 4), would result in a relation that is no longer a function?

11. What is the Range and the Minimum?
[-3, 6]
x=2
[6, -3]
y= −4
[-4, 3)
x=−4
[-4, 3]
y=−2

12. Identify the y-intercept and zeros1)
2) -3, 2, 5 3)
4) -2 and 0
Zeros
1) -2
2) -3, 2, 5 3)
4) and 0

13. Evaluate
f(4)=
x when f(x)= 3

14. The accompanying graph shows the heart rate, in beats per minute, of a jogger during a 4-minute interval. What is the range of the jogger’s heart rate during this interval and Maximum?
Domain:
[0,4]
[1,4]
[0,110]
[60,110]
Maximum:
1. 𝑥=4
𝑥=110
𝑦=4
4. 𝑦=110

15. What is the Domain and Range of the following relation set: {(3,-2), (3,-4), (4,-1), (4,-3)}