algebra 1
posted by Anonymous .
which equation models an exponential decay
y=1/4x500^x
1/3y=6x100^x
y=0.5x8^x
y=23x(1/2)^x
y=0.004x2^x
i think it is d

any number less than one to a positive power gets smaller. which one of those fits that description?

umm idk c?