Please with someone help me with square roots and the number system but with 8th grade. :)

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 +"

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?