Question

What is the value of this function when x = 9?

Please help!

Answer 1

Undefined

Explanation:

If x = 9, then.......

`f(x) = (x^(2) + 9x + 20)/(x^(2) - 4x - 45) = (9^(2) + 9(9) + 20)/(9^(2) - 4(9) - 45) = (182)/(0)=` Undefined