For which pairs of functions is (fog)(x) = x? х
Х
Of(x) = x2 and g(x)
(x)=-
o f(x)= and g(x)
{ = {
o f(x)=*?? and g(x) = 2-3%
o Rx)= 3x-2 and g(x)= x+2
X-2

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)