Plzzzzz helppp I’ll give you brainiest

A particular type of cell doubles in number every hour. Which function can be used to find the number of cells present at the end of h hours if there are initially 2 of these cells?

A) n = 2(0.5)"

B)n = 2(2)"

C) n = 2 + (2)

D) n = 2 +(0.5)"