The average daily maximum temperature for shane’s hometown can be modeled by the function f(x)=12.2cos(πx6)+54.9 , where f(x) is the temperature in °f and x is the month. x = 0 corresponds to january. what is the average daily maximum temperature in march?

For this case we have the following:
 x = 0 (January)
 x = 1 (February)
 x = 2 (March)
 Evaluating x = 2:
 f (x) = 12.2 * cos (π * x ^ 6) +54.9
 f (2) = 12.2 * cos (π * (2) ^ 6) +54.9
 f (2) = 67.1
 
 the average daily maximum temperature in March is 67.1 ° F

There is no association.

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 *_*