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Mathematics 16 Online
OpenStudy (anonymous):

Could someone please help me with this..? Find the average rate of change for the given function from x = 1 to x = 2.

OpenStudy (anonymous):

OpenStudy (anonymous):

-2 negative one-half one-half 2

OpenStudy (phi):

find the change in y divided by the change in x

OpenStudy (anonymous):

how do you find y?

OpenStudy (anonymous):

1!

OpenStudy (anonymous):

because it crosses the y axis at 1! lol right..?

OpenStudy (phi):

look at the graph. find the x=1 and go up until you get to the line then look to the left to find the y value

OpenStudy (anonymous):

or 3?

OpenStudy (phi):

yes when x=1, y is 3 now do the same for x=2, y = ?

OpenStudy (anonymous):

5 :)

OpenStudy (phi):

now change is y is 5-3 change in x is 2-1 find change in y divided by change in x

OpenStudy (anonymous):

okay, so do y2 -y1 over x2 - x1 ?

OpenStudy (phi):

yes

OpenStudy (anonymous):

YOU ARE AWESOME!!! thank you sooooooo much :DD

OpenStudy (phi):

you should get (5-3)/(2-1)= 2/1 = 2

OpenStudy (anonymous):

yup! thats what i got!! you're amazing thank youu!! :))

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