A certain type of lily plant is growing in a pond in such a way that the number of plants is growing
exponentially. The number of plants, N, in the pond at time t is modeled by the function N(t) = ab',
where a and b are constants and t is measured in months. The table shows two values of the function.
t
0
1
N(t)
150
450
Which equation can be used to find the number of plants in the pond at time t?
A. N(t) = 150(1)
B. N(t) = 450(1)
C. N(t) = 150(3)t
D. N(t) = 450(3)