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Mathematics 19 Online
OpenStudy (anonymous):

Solve, please :)

OpenStudy (anonymous):

I think it's A

hartnn (hartnn):

nopes

hartnn (hartnn):

domain is the values that x can take

hartnn (hartnn):

so from your figure, x can take the values from ?? to ??

OpenStudy (anonymous):

I think hartnn gives u good explanation about what domain is. It is better if u try first. What can u say?

OpenStudy (anonymous):

I don't understand...?

hartnn (hartnn):

ok, what all values can x take ? can x be = 10 ??

OpenStudy (anonymous):

domain=range of x codomain=range of y=the range of values of f(x)

OpenStudy (anonymous):

Ok lets take domain=range of x, can u find this from the graph?

OpenStudy (anonymous):

Can u do that?

OpenStudy (anonymous):

X can take 3-7 values.

hartnn (hartnn):

yes! that would be your domain

OpenStudy (anonymous):

Okay! I was think 3-12 because the graph goes from three, and then up 12.

hartnn (hartnn):

the values that the graph(or y) can take is called the 'range' of graph or function. sence, 3 to 12 is range of y.

OpenStudy (anonymous):

What is it called when x and y values are written in the form (x, y) A pair?

hartnn (hartnn):

co-ordinates (2,3) 2 is x co-ordinate 3 is y co-ordinat

OpenStudy (anonymous):

A relation is the output (y) values of the relation the input (x) values of the relation a set of points that pair input values with output values <--- This, correct x and y values written in the form (x, y)

hartnn (hartnn):

yes, a RELATION is simply the set of ordered pairs (x,y) so that is correct.

OpenStudy (anonymous):

I have a few more.

hartnn (hartnn):

u can ask here or make a new post, suit yourself.

OpenStudy (anonymous):

I'll make a new one

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