A study done by an advertising agency reveals that when x thousands of dollars are spent on advertising, it results in a sales increase in thousands of dollars given by the function

(a) Find the increase in sales when no money is spent on advertising.
(b) Find the increase in sales when $10,000 is spent on advertising.
(c) Sketch the graph of S1x2 without a calculator.

Transcribed Image Text:

S(x)= (x-10)² + 40, for 0 ≤ x ≤ 10.