For each expression use a property to write an equivalent expression. Tell which property you used cd

x= cost per bracelet

number of bracelets * x + shipping charge = total cost

so

9x+9=72

the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.