The graph of the step function g(x) = x + 3 is shown. What is the domain of g(x)?
O {xx is a real number}
O x x is an integer}
Oxl-2 sx <5}
O {x{ -1 sxs5}

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post