Is it a Function?
Is the relation
(2,3), (4,5), (2,7)
a function?
why or why not?
No, 2 has two outputs
Is x=3 a solution to 2x=6 ?
Yes
If the rule is y=x+1, what is y when x=2?
y=3
what is 3+5?
8
Where did Mrs. Tenney go to school?
BYU
Does the graph of a circle represent a function?
No, there is 2 outputs for one input
Is x=4 a solution to x+2=8 ?
No
x y
1
2
3
y=2, y=4, y=6
what is -2+6?
4
pink
Does the relation show a function?
(1,2), (2,3), (3,2), (1,4)
No, 1 has two outputs
Which value solves 5x=15?
x=3
Complete the table for the rule 3x+1
x y
-1
0
1
2
y=-2, y=1, y=4, y=7
what is -4+(-3)?
-7
What is the capital of Chile?
Santiago
Is the table a function?
x y
1 5
2 6
3 7
4 5
Yes, every input has one output
Solve 2x-4=10 ?
x=7
Complete the table for the rule x-3
x y
6
8
10
y=3, y=5, y=7
what is -7-(-9)?
-16
Where is Mrs. Tenney from?
Arizona