What is the average rate of change for ƒ(x) = −3x + 1 over the interval −2 ≤ x ≤ −1?

A) −1/9
B) −2/9
C) 1/9
D) 2/9

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 +"