Please help with this question please because I don’t know

Np4=12np2 with clear explanation.

11. 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 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Aline passes through 3,7 and 6,9 what equation represents the line