4-2 Relations and Functions - Math Slide Show
4-2 Relations and Functions - Math Slide Show
4-2 Relations and Functions - Math Slide Show
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Lesson 4-2 (cont.)<br />
Vertical Line Test - <strong>Functions</strong><br />
Vertical Line Test - <strong>Functions</strong><br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
Function<br />
Function<br />
Function Function Not a<br />
Function<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
Vertical Line Test - <strong>Functions</strong><br />
Vertical Line Test - <strong>Functions</strong><br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
Function Function Not a Function<br />
Function<br />
Function Function Not a Function<br />
Function<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
y<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
x<br />
Not a<br />
Function<br />
Function<br />
Not a<br />
Function<br />
Not a<br />
Function<br />
Tell whether the relation below is a function.<br />
1) input output 3) y<br />
3<br />
4<br />
7<br />
x<br />
Function<br />
5<br />
8<br />
6<br />
2) 4) input output<br />
y<br />
5 -1<br />
x<br />
-2<br />
6<br />
Function<br />
-3<br />
7 -4<br />
Not a<br />
Function<br />
Not a<br />
Function<br />
State the domain <strong>and</strong> range of each function below.<br />
y<br />
y<br />
1)<br />
3)<br />
D: { −2, −1, 2, 4}<br />
R : { −3, 3 1, 2<br />
}<br />
y<br />
2)<br />
x<br />
x<br />
x y<br />
-2 1<br />
-1 -3<br />
2 2<br />
4 2<br />
D:{ x∈ Reals}<br />
R:{ y≥−3}<br />
D:{ −2≤x ≤2}<br />
R :{ { − 1 ≤ y ≤<br />
3<br />
}<br />
y<br />
4)<br />
D:{ x ≥−2}<br />
R:{ y≥<br />
0}<br />
x<br />
x<br />
Algebra <strong>Slide</strong> <strong>Show</strong>: Teaching Made Easy As Pi, by James Wenk © 2010