Which set of ordered pairs is a function? (5,5), (-5,5) (1, 1), (1, -1) (-2, -2), (-2, 2) (0, 0), (0, 3) or none of these?

If g(x) is an odd function, which function must be an even function?

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

Write the factored form of this trinomial 9x^2+18x-7