Question

The function f(x) = 20(3)x represents the growth of a fish population every year in a local lake. Jesse wants to manipulate the formula to an equivalent form that calculates every half-year, not every year. Which function is correct for Jesse's purposes?

f(x) = 20(32)the x over 2 power
f(x) = 20(3 to the one half power)2x
f(x) = twenty halves(3)x
f(x) = 40(2)x