Question

Lucy found that a solution of x = - 4 was extraneous for her function. What would be a possible denominator in Lucy's function?

A) x2 + 3x - 4

B) x2 - 9

C) x + 5

D) x - 4

Answer 1

probably the first one since it is the same as \((x+4)(x-1)\) which cannot have \(x=-4\) as that would make the denominator zero

Answer 2

well ok then haha ty