How do i do this. If you could show the steps that would be great.

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.