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Mathematics 19 Online
OpenStudy (anonymous):

which of the following is the graph function Is it a b c or d

OpenStudy (goformit100):

Use the conception of Straight line |dw:1376377881454:dw|

OpenStudy (anonymous):

Each of function's input values(x) gives back exactly one output value(y). so choose the graph that will pass the vertical line test..

OpenStudy (akashdeepdeb):

Can you please elaborate your question?

OpenStudy (anonymous):

Which of the following is a graph function I attached graphs a,b,c, and d @akashdeepdeb

OpenStudy (akashdeepdeb):

Okay so d is an inequality because all the portion below is shaded so it cannot be considered as a graph function because for every x value there can be MANY y values. Then even in the circle, we cannot consider it as a graph Function because there are 2 y values for every x value. And then even in c, there are 2 y values for every x value. Thus the ONLY GRAPH FUNCTION WOULD BE A WHICH IS A STRAIGHT LINE BECAUSE EVERY X VALUE HAS A UNIQUE Y VALUE. Note: Not only straight lines are functions, they can also be parabolas etc.

OpenStudy (akashdeepdeb):

So, all others are not Graph functions and ONLY a is RIGHT. i hope this Helped! Kudos? :)

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