Filipe is buying materials for making his new comic books. He purchases a notebook for $7 and when he rings up it shows he also owes $0.42 in tax. If he buys markers the next day for
$6 and pays the same tax rate, how much will he pay in tax?

Which statement is true about the function f(x)= square root -x ? the domain of the graph is all real numbers. the range of the graph is all real numbers. the domain of the graph is all real numbers less than or equal to 0. the range of the graph is all real numbers less than or equal to 0.