What is the domain of f(x) = 5x – 7?
O {x|x>-7}
O {XIX<-7}
O {x\x>0}
O {x | x is a real number}

There are a total sales of 2,000 dollars on monday on tuesday sales dropped 10% on wednesday sales dropped another 20% compared with tuesday from wednesday to thursday sales increases by an equal amount to 25% of monday total sales what is the net change in dollars on total sales from monday to tuesday