<span> 6.022 x 1023 i think thats how much
</span>
-8,-6,-4
-10,-6,0
these are the possible test points for your three intervals
If the line is parralell to the x axis then take the y coordinate of your point and thats the equation y=8 since its a horizontal line it has a slope of 0. just remember the acronym HOY VUX; Horizontal 0 y=; Vertical undefined x=
15 rules cost £3
£3 / 15 rules = 0.2 £/rule
40 rules * 0.2 £/rule = £8
