SAT Subject Test Mathematics Level 1

(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)

(B)

(C)