A population count of birds at a lake was done by a National Park. They counted 18 birds during the current week.The population of birds in that lake triples every week. If the population of birds w weeks after the current week is 1,458, which of the following equations can be used to find w?
A.1458=6(3^w+1)
B.1458=18(6^w+1)
C.1458=3(6^w-1)
D.1458=6(3)^w
