Help pls I need all of them thank you 13 points

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 +"

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left