The answer to the problem 3(6 - 7) + 8 is called a

Can someone me with this problem . show your work .

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}