Part2 f2 (9 Points: 0 of1 Save (a) Let A(x) denote the number (in hundreds) of computers sold when x thousand dollars is spent on advertising. Represent the following statement by equations involving A or A': When ve thousand dollars were spent on advertising the number of computers sold was 1300 and it was rising at the rate of 20 computers for each 1000 dollars spent on advertising. (b) Estimate the number of computers that will be sold if $7000 is spent on advertising. WWWW j e. A(5)=0.2 31nd A'(5)=13