A sketch of "(x) is shown below. r(x ) -C An equation for (x) could be Or( x) = (x + a)(x-b)(x-c) Or(x) = (x - a) (x+ b)(x+c)? Or( x ) = (x + a)(x-b)(x-c)2 Or(x) = (x - a)(x+b)(x+c)