in a recent 10-year period the change in the number of visitors is about-15,000 visitors what was the mean yearly change in the number of visitors. how can the answer be negative?

Dis a correct answer

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 *_*