Answer:
Use a graphing calculator.
Step-by-step explanation:
Graph:
f(x) = -4√x
Answer: $15,000
As $35,000-$20,000=$15,000.
That's basically the profit he had made, or the return on his investment (ROI).
As he already had $20,000, he had "only" made $15,000.
Answer:
2550
Step-by-step explanation:
1) So he borrowed 17,000
2) Simple interest is 5%
3) so 0.05 *17000 = 850
4)It takes the manager 3 years so, 850*3=2550
5) so 2550 is the total amount of interest the manager needs to pay