need help to solve please see attached

The relationship between the amount of money X that Cannon Precision Instruments spends on advertising and the company's total sales 3(X) is given by the following function where S[x] and x are both measured in thousands of dollars. 59:} = 70.002)? + 0.7;: + ex+ 500 (o s x 5 200} Find S'IIX), the rate of change of the sales with respect to the amount of money spent on advertising. s '{x} = At what rate [in dollars per thousand dollars of advertising} are Cannon's total sales increasing when the amount of money spent on advertising is $90,033? $ E per thousand dollars of advertising At what rate {in dollars per thousand dollars of advertising} are Cannon's total sales increasing when the amount of money spent on advertising is $1 " \"on? $7 E per thousand dollars of advertising Are Cannon's total sales increasing at a faster rate when the amount of money spent on advertising is $9IZI.IJOC or $140,033? 590,000 5140,000