Answer:
A
Step-by-step explanation:
In order for a graph to be a function, it has to only cross the vertical (up and down) lines that it covers once. Since this is an angle, it crosses all the lines in two different places, and isn't a function.
-1
-4.2-(-2.9)
-4.2➡ is about -4
-2.9➡is about -3
-4-(-3)
-4+3
1 : 4 , 1 : 4
= 3 : 12 , 48 : 192
= 3/12 , 48/192
= 1/4 , 1/4
= 1 : 4 , 1 : 4
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