Which tables display linear functions? Check all that apply.
х
y
X
y
х
y
X
y
-2
1.5
-1
0
4
-2.5
-3
6
O
0
o
-2
5
-5.5
-4
7
o
-1.5
1
-1
6
-7.5
-5
00
1
-3
2
-3
7
-10
-6
9
On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.