Please help this is for my bro

The parabola opens: y=√x-4 (principal square root) up down right left

Anew shopping mall is gaining in popularity. every day since it opened, the number of shoppers is 5% more than the number of shoppers the day before. the total number of shoppers over the first 10 days is 1258 how many shoppers were on the first day?

Which expression is rational? 6. , square root two, square root 14, square root 49