For the function g(x)=x^3−x^2−2x, find the value of each expression below:

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Could somebody me with this radical simplification?