Math Question 12 - Please show work if possible for best answer...

Mathematics
Tutor: None Selected Time limit: 1 Day

Mar 7th, 2015

In slope-intercept form y-b = m(x-a). We have (a,b) = (2001,6680) for example. Calculate m:

m = (y1 - y2)/(x1-x2) for two points (x1,y1) and (x2,y2)

= (6680-4760)/(2001-1998)

= 1920/3

= 640

So in slope-intercept form:

y - 6680 = 640 ( x - 2001 )


And for 2013, substitute the value for x in and solve:

y - 6680 = 640 ( 2013 - 2001 )

y = 6680 + 12*640

= 14360 vehicles

Mar 7th, 2015

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