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Mathematics 11 Online
OpenStudy (anonymous):

Find the range of the function. f(x) = x^2 + 2

OpenStudy (confluxepic):

The range is the y values.

OpenStudy (confluxepic):

f(x) is y.

OpenStudy (confluxepic):

Since it is x^2 it y cannot be negative.

OpenStudy (anonymous):

f(x)= >2

OpenStudy (confluxepic):

Since it says +2 you add two.

OpenStudy (anonymous):

ok

OpenStudy (confluxepic):

So y>2.

OpenStudy (anonymous):

waht about the ∞

OpenStudy (anonymous):

infinity

OpenStudy (confluxepic):

@hacker45 You're supposed to explain it to them or guide them.

OpenStudy (confluxepic):

Infinity would be called all real numbers.

OpenStudy (confluxepic):

In this problem it is not all real numbers.

OpenStudy (anonymous):

|dw:1413847022180:dw|

OpenStudy (confluxepic):

If it is infinity then the range would be all real numbers. But I don't think that could be a point on the graph.

OpenStudy (confluxepic):

It could be a line on the graph.

OpenStudy (anonymous):

umm ok

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