Question in photo, Please Help

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Describe the domain and range of y=2(3)^x-2+5

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4