Could someone help me with Average rate of change?

Question

shaleiah · Answer

attachment

agent0smith · Answer

Average rate of change is exactly the same as the slope formula. You have two points, you find the slope between them, that's the avg rate of change.

shaleiah · Answer

300-6?

agent0smith · Answer

First make sure you know what points you're using...

agent0smith · Answer

a. From the graph: What is the first point? What is the last point?

shaleiah · Answer

0 
8

agent0smith · Answer

Points are (x, y).

mathmale · Answer

points are defined by coordinates, the x- and the y-coordinates.  

Your 

0
8

does not constitute a point.  

Try (0,8) (which says that x=0 and y=8).


The formula for "average rate of change over the interval [a,b] is
$$ave.rate.of.change=\frac{ f(b)-f(a) }{ b-a }$$

mathmale · Answer

Make certain you understand this formula and what the symbols mean.
Then apply this formula to the problem at hand.

shaleiah · Answer

@mathmale 
I got 1

shaleiah · Answer

@skullpatrol

agent0smith · Answer

Show work.

a. From the graph: What is the first point? What is the last point?

shaleiah · Answer

$$\frac{ 8-0 }{ 8-0 }$$

agent0smith · Answer

Tell me the first point on the graph, where the graph starts.