Answer:
the full circle one
Step-by-step explanation:
use the vertical line test. Hold up a pen on any given spot in the graph (the pen has to be vertical) and if it goes through the line in 2 or more different places its not a function
ADDDDDDDD
86 - 12 = 74
74 + 12 = 86
A because if you subtract 56 from both sides, then x would show you what equals the tied record
5th
watch explanation