F(x)= -(x-5)^2-23 what is the vertex, axis of symmetry, does it have a minimum/maximum, if so what is it? what is the domain function, and what is the range function?

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points