If a polynomial function f(x) has roots -2+square root 8 and 9, what must be a factor of f(x)? 1. (x-(8-square root 2))
2. (x-(2-square root 8))
3. (x-(-2-square root 8))
4. (x-(-8+square root 2))

is should be y = 5x

step-by-step explanation:

correct me if im wrong

guess at question:

a vertical line intersects the graph of g(x,y) = 0 at two points. what conclusion follows about the function f(x) implicitly defined by g(x,f(x)) = 0?

the domain of f(x) cannot include the x coordinate of any such vertical line.

informally, f(x) is not a function, and

g(x,y)=0 cannot be solved for y uniquely.

the relation r = {(x,y) such that g(x,y) = 0} is a function if

for all (a,b) ∊ r and (c,d) ∊ r, a=c implies b=d.

step-by-step explanation:

answer: y=0 if that is what u r looking for