Jericho is a botanist and is researching a particular species of plant. he found that the number of plants in his testing environment increases by 60% each year. the given function represents the number of plants in his testing environment after t years.

f(t)=30(1.60)^t

which statement is true?

a.
the expression (1.38)6t reveals the approximate rate of increase in the number of plants when measured six times a year.
b.
the expression (1.48)2t reveals the approximate rate of increase in the number of plants when measured twice a year.
c.
the expression (1.01)6t reveals the approximate rate of increase in the number of plants when measured six times a year.
d.
the expression (1.26)2t reveals the approximate rate of increase in the number of plants when measured twice a year.