SOLUTION: State the domain and range of the relation shown. Is the relation a function? Explain. graph: https://gyazo.com/b3fadd295d75d6ec5bf872f9c173741f steps needed also

Algebra ->  Rational-functions -> SOLUTION: State the domain and range of the relation shown. Is the relation a function? Explain. graph: https://gyazo.com/b3fadd295d75d6ec5bf872f9c173741f steps needed also      Log On


   

Question 1165865: State the domain and range of the relation shown. Is the relation a function? Explain.
graph: https://gyazo.com/b3fadd295d75d6ec5bf872f9c173741f
steps needed also
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

domain:
looking the graph and x-axis:
graph starts at point x=-2 and goes to the left
graph starts at point x=2 and goes to the right
so, these values are included in domain which will be

(-infinity, -2] U [2,infinity)

range:
how far up and down does graph go
(-infinity,infinity)