Use the graph below to answer the following question:

https://gyazo.com/d361ca1f39e9550eeae4e3dc392565f2

What is the average rate of change from x = 1 to x = 4?
Select one:
a. −3
b. −1
c. 1
d. 3

Question

Use the graph below to answer the following question:

https://gyazo.com/d361ca1f39e9550eeae4e3dc392565f2

What is the average rate of change from x = 1 to x = 4? 
Select one: 
a. −3 
b. −1 
c. 1 
d. 3

Ultrilliam · Answer

@zarkon

Zarkon · Answer

you need to find the value of the function at 1 and 4  (ie f(1) and f(4))  which look like 3 and 0 respectively

then the average rate of change is given by $\displaystyle \frac{f(4)-f(1)}{4-1}$