questions 13,14,15,16,17 type it out the answers.

MATH 1180 CH 6 LAB 1 0:09:57 elapsed X Page 1 : Question 13 (2.6 points) A force of 9 lb is required to hold a spring stretched 6 in. beyond its natural length. How much work (in pound-inches) is done in stretching it from its natural length to 8 in. beyond its natural length? Quiz Information Question 14 (2.6 points) Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y - 2x, y = x'; about the x-axis A/ Question 15 (2.6 points) The area enclosed by the curves y= and > = 2x from x = 1 to x=e is _ Main Content O 1) 20 O 2) .+ 1 0 3) 2 + 1 ( 4) , 2 - 2 Question 16 (2.6 points) A tank is full of water. Find the work required to pump the water out of the outlet. = 1m, r= 2m, d = 7m Question 17 (2.6 points) Find the average value of the function f(1) - 8- on the interval [0, 9]