Domain and Range Graphically

1. Warm-Up
 Write a line perpendicular to y = 2x + 3
that passes through the point (-2, 3)

2. Homework Questions

3. Domain and Range
Graphically

4. Finding Domain and Range:

5. Finding Domain and Range:
(interval notation!)
1.
2.
3.
3)( += xxf
5
)(
−
=
x
x
xf
54)( 2
+−= xxxf

6. Finding Domain and Range:
(interval notation!)
4.
5.
6.
x
xf
1
)( =
xxf 2)( =
2
3
4
)( xxf π=

7. Continuity:
 Continuous Functions
 Removable Discontinuity
 Jump Discontinuity
 Infinite Discontinuity

8. Identifying Points of
Discontinuity…
1.
2.
3.
2
3
)(
−
+
=
x
x
xf
)2)(3()( −+= xxxf
2
4
)(
2
−
−
=
x
x
xf

9. Homework/Classwork
 Domain and Range Worksheet

10. Homework/Classwork
 Domain and Range Worksheet