Question 982255
revenue per pound = 1.00 - 0.20 - 0.15 - 0.35 = 0.30
define f(x) which calculates total revenue for variable x in pounds
f(x) = 0.30x
here is the graph
{{{ graph( 300, 200, -15, 60, -15, 20, 0.30x) }}}