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Mathematics 10 Online
OpenStudy (anonymous):

Evaluate the limit as x goes to 7 form the right hand side: (question attached, it's number 18)

OpenStudy (anonymous):

OpenStudy (anonymous):

d - 42

OpenStudy (amistre64):

plug in 7 and see what you get right?

OpenStudy (amistre64):

the limit of a polynomial is = to the f(L)

OpenStudy (anonymous):

as you got two equations you gotta see which one will fit the limit before you can simply plug 7 in there, in that case it is the 2 one

OpenStudy (amistre64):

\[\lim_{x ->7^+}(x^2-x)\]

OpenStudy (amistre64):

its 42 from the right

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

because it is from the right hand side I use x>7?

OpenStudy (anonymous):

Thank you for the explanations!

OpenStudy (anonymous):

yes, because x is not 7 it is tending to be 7 so you can't use the first equation because it is only valid if x = 7 or x> 7

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