Answer:
A. -6
Step-by-step explanation:
f(-7)=2(-7)+8
=(-14)+8
=-6
25 (units of distance/units of time)
The first two seconds are determined between points (0,50) and (2,100). Given these points, finding the slope between them gives you the average rate of change:
The < and > signs mean the open part of < or > is bigger part
The answer to the question