I need help pls right now

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)