Determine the domain of the function h(x)=9x/x(x^2-49)a. {x| x≠±7}b. {x| x≠±7, x≠0}c. {x| x≠7}d. {x| x≠±49, x≠0}

Einstein office equipment has a rental plan for office machines. a fax machine that lists for $722.98 can be rented for 22% of the price annually. the state imposes a usage charge of 3.2%. if stephen hawking travel decides to rent the fax machine, what will its total monthly rental charge be?