Analyzing Function Behavior
For each table below, select whether the data represents a function. If it does represent a function, determine if the function is increasing, decreasing or constant.
x\displaystyle {x}y\displaystyle {y}
3182
4168
5150
6128
7102
872

x\displaystyle {x}y\displaystyle {y}
318
432
550
672
798
8128

x\displaystyle {x}y\displaystyle {y}
3-7
4-7
5-7
6-7
7-7
8-7

x\displaystyle {x}y\displaystyle {y}
317
419
521
623
425
827