Using the graph of f(x) and g(x), where g(x) = f(k⋅x), determine the value of k. A. −2
B. -1/2
C. 1/2
D. 2

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =