12. Identify the function in which y varies directly with x. O y = 9x + 9 Ov=* X O V = Ox y = 9X - 9

For range i think it’s area

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*