Question 42683
{{{C = 10x + 40}}}
{{{b}}} is the y-intercept, so you plot a point on the y-axis at 40
{{{m}}} is the slope, so you would go 10 units up and 1 unit right ... or ... ten units down and 1 unit to the left
{{{ graph( 600, 600, -5, 10, -10, 80, 10x + 40) }}}