Consider a circle whose size can vary. the circumference of the circle is always 2π times as large as its radius. let r represent the radius of the circle (in feet) and let c represent the circumference of the circle (in feet).

a. write a formula that expresses c in terms of r.
b. use your formula from part (a) to determine the circumference of a circle whose radius is 6 feet feet
c. write a formula that expresses r in terms of c.
d. use your formula from part (c) to determine the radius of a circle whose circumference is 37

The number of members f(x) in a local swimming club increased by 30% every year over a period of x years. the function below shows the relationship between f(x) and x: f(x) = 10(1.3)xwhich of the following graphs best represents the function? graph of f of x equals 1.3 multiplied by 10 to the power of x graph of exponential function going up from left to right in quadrant 1 through the point 0, 0 and continuing towards infinity graph of f of x equals 10 multiplied by 1.3 to the power of x graph of f of x equals 1.3 to the power of x