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Mathematics 13 Online
OpenStudy (anonymous):

Can someone help? Find limit as x approaches three from the right of f of x

OpenStudy (anonymous):

That is the given graph.

ganeshie8 (ganeshie8):

Walk on the graph from the right of x=3, towards it, what y value do you end up at ? |dw:1439662480541:dw|

OpenStudy (sohailiftikhar):

y=7

ganeshie8 (ganeshie8):

nope, the exact value at x=3 doesn't matter whats the y value as you "approach" x=3 from the right ?

ganeshie8 (ganeshie8):

Notice that the graph is staying constant at y = -3

OpenStudy (sohailiftikhar):

how can you say that bro ?

OpenStudy (sohailiftikhar):

look at the point on graph the dot point right front of y=7

OpenStudy (anonymous):

Is the answer -3? @sohailiftikhar @ganeshie8

Vocaloid (vocaloid):

yes

ganeshie8 (ganeshie8):

-3 is correct

ganeshie8 (ganeshie8):

@sohailiftikhar for limit, the actual value of function at the particular value doesn't matter all it matters is whatgoes on around it..

OpenStudy (anonymous):

Could you help me with another one? @ganeshie8

OpenStudy (anonymous):

Find limit as x approaches three from the right of f of x..

OpenStudy (anonymous):

@ganeshie8 ^ (:

OpenStudy (anonymous):

Would the limit be 3 because when you approach x = 3 from the right, y=3?

ganeshie8 (ganeshie8):

You got it!

OpenStudy (anonymous):

And for this one: Find limit as x approaches two from the left of f of x. and limit as x approaches two from the right of f of x..

OpenStudy (anonymous):

OpenStudy (anonymous):

Would the answer be: -2;3 or 3;-2 ? @ganeshie8

ganeshie8 (ganeshie8):

whats the limit from right side ?

ganeshie8 (ganeshie8):

|dw:1439666174587:dw|

OpenStudy (anonymous):

3?

OpenStudy (anonymous):

Oh, the right side would be the bottom line? Which would be the first limit listed? So, -2; 3?

ganeshie8 (ganeshie8):

limit from left side is 3 limit from right side is -2

OpenStudy (anonymous):

Yes, that is understood. Which one comes first, though. I'm between: 3; -2 or -2; 3

ganeshie8 (ganeshie8):

which one was asked first ?

ganeshie8 (ganeshie8):

`Find limit as x approaches two from the left of f of x. and limit as x approaches two from the right of f of x..`

OpenStudy (sohailiftikhar):

no ganish bro -3 is not correct answer look at graph what the minimum value of y you have give it's -1 and now the value of y increasing from -1 to higher values take a look on graph again

OpenStudy (sohailiftikhar):

so the answer should be \[y \ge-1\]

OpenStudy (anonymous):

Yes that one @ganeshie8

OpenStudy (anonymous):

@sohailiftikhar That's not an answer choice.

OpenStudy (sohailiftikhar):

so what are the choices can you please tell me i'm asking about first question

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