Does #7 look right? Im struggling on this

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?