Question

reward is 7 medals

Answer 1

average rate= y2-y1/x2-x1
they are given us x2=-3, x1=-1
find in the graph corresponding y values for those
and do the math

Answer 2

well if i just knew how to i think i would have but i don't know how to @xapproachesinfinity

Answer 3

Lol the image of -1 in the graph is 7 and for -3 it is 9
so average rate of change = (9-7)/-3-(-1)=2/-2=-1

Answer 4

@jenniferjuice, did you study secant line between two points yet?