6. Your velocity along a straight line is shown below _'. velocity (It-'min} {3] Sketch Ibe graphof your location. (b) How many feel did you walk in 8 minutes? (c) Where, relative to your starting location, are you after 8 minutes? 7. Use Leibniz rule to find: 2+3x Eli-J Ir2+5dt) 1 8. Use change of variables to find: I I 3 'sin( In(x] } d1 9. Sketch the graph of the two functions and find the area between them. f[1}=412, g(x)=x +2and 05152. 10. How much work is done lifting a 60 pound chair from the ground to the top of a 20 foot building with a cable which weighs 1 pound per foot