(D)
(E) 6 y^4 z^2
21 . What is the solution to this system of equations?
(A) (1,4) and (−2,5)
(B) (1,−4) and (2,11)
(C) (1,4) and (−2,−5)
(D) (−2,7)
(E) (0,1)
22 . Which of the following graphs is NOT a function?
(A)
(E) 6 y^4 z^2
21 . What is the solution to this system of equations?
(A) (1,4) and (−2,5)
(B) (1,−4) and (2,11)
(C) (1,4) and (−2,−5)
(D) (−2,7)
(E) (0,1)
22 . Which of the following graphs is NOT a function?
(A)