[tex]y = 0.5(4)^{x}
\\ \\A) (2,8)
\\ \\8 = 0.5(4)^{2}, 0.5*16=8, 8=8, True .
\\ \\B) (4,2)
\\ \\2 = 0.5(4)^{4}, 2=0.5*4^{4} False.
\\ \\C) (0,1)
\\ \\ 1= 0.5(4)^{0}, 1=2\ False.
\\ \\D) (1, -2)
\\ \\-2 = 0.5(4)^{1}, False.
\\ \\ Answer\ is\ A.
[/tex]
