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Mathematics 14 Online
OpenStudy (anonymous):

can i get help with ten algebra one question

OpenStudy (shubhamsrg):

yes you can! :|

OpenStudy (anonymous):

this is the first one

OpenStudy (shubhamsrg):

What is the question? o.O

OpenStudy (anonymous):

What is the range of the following parabola? sorry bout that :l

OpenStudy (shubhamsrg):

What is your guess/attempt ?

OpenStudy (anonymous):

All real numbers

OpenStudy (shubhamsrg):

Hmm,, nopes! What do you understand by range ?

OpenStudy (shubhamsrg):

Domain will be all real numbers, and not range.

OpenStudy (anonymous):

@shubhamsrg i dont know how to find the range :(

OpenStudy (shubhamsrg):

What is range if you can tell me that ?

OpenStudy (anonymous):

im not sure we didnt cover it

OpenStudy (shubhamsrg):

Range is the set of all those real values which function can take for real values of x.

OpenStudy (shubhamsrg):

So in your graph, what is the minimum value (height) the function takes(has) ?

OpenStudy (anonymous):

-3?

OpenStudy (shubhamsrg):

Yep. And the maximum value ?

OpenStudy (anonymous):

none?

OpenStudy (shubhamsrg):

Not none, maximum value is infinity.

OpenStudy (shubhamsrg):

So, your function can have it heights ranging from -3 to infinity, correct ?

OpenStudy (anonymous):

so would it be y>-3?

OpenStudy (anonymous):

@shubhamsrg

OpenStudy (shubhamsrg):

Almost there y can also take value -3 so range will be y>= -3

OpenStudy (shubhamsrg):

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