3 let fix ) = tiz *+3 910) = x - 3 find of of ( X ) State its domain (8 let fox ) = X - x - 3X +8 and (x)= x- 4, Is the gox) a factor of the fox) . If so, name the corresponding root of fix ) Find the exact value of at least one root of the given polynomial. for =- X - X texts