Workers at a quarry are removing rock at a daily rate of 0.1%. There are 3.2 tons of rock when the work begins.
Which function can be used to find the number of tons of rock left at the end of d days?
A.m(d) = 3.2(0.999)^d
B.m(d) = 3.2(0.99)^d
C.m(d) = 3.2(1.01)^d
D.m(d) = 3.2(1.001)^d