Which of the following exponential functions is represented by the data in the table? A) ƒ(x) = 3x
B) ƒ(x) = x3
C) ƒ(x) = (1∕3)x
D) ƒ(x) = x1∕3

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)