PLEASE HELP ME ME ME MEEE​

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

When y’all answer can y’all explain too !

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =