ALGEBRA 1; PLEASE HELP! WILL GIVE MEDALS.
The graph below plots a function f(x):
graph of line segment going through ordered pairs 0,150 and 3, 0 0
If x represents time, the average rate of change of the function f(x) in the first three seconds is ___.
Answer for Blank 1:

Question

ALGEBRA 1; PLEASE HELP! WILL GIVE MEDALS.
The graph below plots a function f(x):
graph of line segment going through ordered pairs 0,150 and 3, 0 0
If x represents time, the average rate of change of the function f(x) in the first three seconds is ___.
Answer for Blank 1:

rea201 · Answer

Can you share the graph so I can help

anonymous · Answer

Oh of course! sorry about that.

rea201 · Answer

its fine

anonymous · Answer

http://learn.flvs.net/webdav/assessment_images/educator_algebra1_v17/03_00_pretest/03_00_56.jpg

rea201 · Answer

its not pulling up correctly. It says cookies arent right that I have to log off anf the log back in. Can you save the picture to your computer and then attach it

anonymous · Answer

okay.

anonymous · Answer

attachment

anonymous · Answer

hey, i've got to go for a little, but could you explain the problem and answer for me- and i'll reward you when i get back??? please! :)

rea201 · Answer

yup

rea201 · Answer

ok so the average rate of change is also the slope over the 3 seconds.

rea201 · Answer

All we need to do is use the slope formula $$m=\frac{ y _{2}-y _{1} }{ x _{2}-x _{1} }$$

rea201 · Answer

$$x _{1}=0,   y_{1}=150, x_{2}=3, y_{2}=0$$

rea201 · Answer

so we substitute these values into the formula. $$m=\frac{ 0-150 }{ 3-0 }=\frac{ -150 }{ 3 }=-50$$

rea201 · Answer

by doing this we can see the average rate of change is -50.

anonymous · Answer

so in the blank i would write "-50"???
@Rea201

rea201 · Answer

Yes that is all you should have to write

anonymous · Answer

Thank you so much! could you help me with one more problem??   @rea201