How many triangles are in the figure?

Can you answer my question? will mark brainiest!

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 +"

Write an inequality and solve each problem. for exercises 11 and 12, interpret the solution.