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

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap