20 ! the table shows the values of a function f(x). what is the average rate of change of f(x) from -1 to 1? x | f(x) -3 -3 -2 -1 -1 3 0 11 1 27

step-by-step explanation: 4 cause 2+2=4

step-by-step explanation:

given that ab is divided into equal parts as

ac, cd, de, ef, fg, gh, hi, ib.

from this we find that f is the midpoint of ab.

so using mid point formula we find

f = (3,7)

similarly considering fb, we get

h = mid point of fb = ((6,6) and g, mid point of fh is

g = (9/2, 13/2)

i is mid point of hb

so i =(15/2,11/2)