Which expression is equal to f(x)8 x g(x) ?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

The salesperson earns a 5% commission on the first $5,000 she has in sales. the salesperson earns a 7.5% commission on the amount of her sales that are greater than $5,000. this month the sales person had $8,000 in sales. what amount of commission, in dollars, did she earn?