What is the expotential regression equation that fits these data?

Me answer number 3plz explain how you do it

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%