What is the rate of change for f(x) = 4 sin x − 2 on the interval from x = 0 to x = pi over 2 ?

The answer is d 18ft

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 *_*