4. these tables correspond to inputs and outputs. which of these input and output
tables could represent a function rule, and which ones could not? explain or show
your reasoning
table a: multiply by itself
input output
4 1 2
table b: subtract-2
input output
-
24
0
0
2
4
table d:
table c: muliply by 0
input output
1 0
2 0
input output
0 1
0