Can anyone solve this Ill give 25 points

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

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 +"