Which expression is equivalent to the phrase shown below
mot 21 and 2, and twice the cube of s
the quotient of the sum of 21 and 2, and twice the
A 21+ 7
B 21 + 2
c 24*2

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}