yes, this is the cost per week

yesB) Write the linear revenue function

R(x) = px --> 899* (x)

huh?C) Find the cost selling 37 computers a week

37*??

you found the formula for cost in part (a), did you not? why don't you use it?

look back at part (b)D) Find the revenue from selling 37 computers

this is where C(x) = R(x)E) Find the break even point

solve for x