What must be a factor of the polynomial function f(x) graphed on the coordinates plane below

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

If a || b and e || f , what if the value of y ?

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000