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VCE Stuff => VCE Mathematics => VCE Mathematics/Science/Technology => VCE Subjects + Help => VCE General & Further Mathematics => Topic started by: elly39951 on January 18, 2013, 12:38:29 pm

Title: Limits
Post by: elly39951 on January 18, 2013, 12:38:29 pm: So I was just wondering, if when you graph a linear equation e.g. y= -1x -7, but you have end points, whether there are both x and y limits or just x?
:D
Title: Re: Limits
Post by: e^1 on January 18, 2013, 01:10:47 pm: Quote from: Re: Domain + Range
Remember most graphs need the x values but vertical line need the y values...

Equation is $y = 2x \; 0 \leq x \leq 4$

If this refers to the assignment, you only need to include x limits (or domain) for linear equations.'

However, I don't think it would hurt to also include y limits (range) but I'm not sure about it.
Title: Re: Limits
Post by: elly39951 on January 18, 2013, 01:45:04 pm: Yeah ok, I added both for the linear lines, just because technically there are limits on both the x & y axis', thanks for the help :)
Title: Re: Limits
Post by: plato on January 21, 2013, 09:29:19 pm: Quote from: elly39951 on January 18, 2013, 12:38:29 pm
So I was just wondering, if when you graph a linear equation e.g. y= -1x -7, but you have end points, whether there are both x and y limits or just x?
:D
The graph is fully specified if you only define the x values for the end points (or intermediate ponts for a composite rule). You do not need the y values as well unless you do not write the rule.