Question 1128209
a) The y intercept occurs when x=0. *[invoke complete_the_square -0.5,175,-3300] Plugging in x=0 gives y=-3300. The y intercept shows the profit if they make no appliances. 
b) From the above, the x-intercepts are x=330 and x=20. The x-intercepts show where they make no profit.
c) {{{-0.5(x-175)^2+12012.5=0}}} Since the square of any real number is nonnegative and the square is multiplied by a negative number, the maximum profit occurs when {{{(x-175)^2=0}}}. This occurs when x=175. They make 12012.50 dollars if they make 175 appliances.