Given the exponential function a (x)= p(1+r)^2 what value will or make the function of decay function

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Factor this polynomial completely x^2-64

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.