Write a formula for arc length S in terms of r for the following figure. 1.2 r S The angle in the figure is a central angle in radians.

Describe how to determine the average rate of change between x = 4 and x = 6 for the function f(x) = 2x^3 + 4. include the average rate of change in your answer.

Find the value of the combination. 5 c 5

Determine the height of each triangle. round to the nearest foot. a. 7 ft c. 8 ft b. 5 ft d. 4ft