Help pls me with this question!

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

Is there an x intercept in the equation 60*1.15^x

Aski resort is charging $37.50 to rent a snowmobile for 5 hours. at this rate what will be the cost for a family of 5 to rent snowmobiles for 3 hours on the first day of their vacation and 4 hours for on the last day of their vacation