Question

See attachment to help

Answer 1

Average rate of change [1,3] = (15.882 - 11.38)/(3-1) = 4.502 /2 = 2.251


average rate of change [-4,-2] = (0.0971- 0.0018)/(-2+4) = 0.0953 /2 = 0.04765

average rate of change [1,3]  / average rate of change [-4,-2] 
= 2.251 / 0.04765
= 47.24

answer
47.24