Answer:
-8x=19-3
-8x=16
x= 16/-8
x=-2
Step-by-step explanation:
It is not a function and that is becuase a vertical line would pass through it twice
Answer3:
Step-by-step explanation:
I do not know
That bracket symbol, with an r in it, means "the absolute value of r".
So r's absolute value is -2 meaning r is two units from zero
r= 2
