850.5 * 2
9*189.................................
Answer:
what did they do?
Step-by-step explanation:
153.86 is the answer :) you’re welcome.
Basically here all you want to do it substitute the values x=1 and x=2 for the given function. Use your slope formula
.
Do same for x=3 and x=4
You next divide plug in values in to this expression:

X=1
midpoint is half way, half of 2 is 1