How does the graph of the function g(x) = 2^x – 3 differ from the graph of f(x) = 2^x?

The graph below shows the amount of money left in the school’s desk fund, f, after d desks have been purchased. for each new desk that is purchased, by how much does the amount of money left in the school’s desk fund decrease?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"