Question 1 Evaluate the integral (2x + 6) (x2+ 6x + 10) dx 3 by making the substitution u = x+ 6x + 10. + C NOTE: Your answer should be in terms of a and not u. Score: 0/12 0/12 answered Question 3 Suppose that a particle moves along a straight line with velocity v(t) : 15 415, where 0 S t g 2 (in meters per second). Find the formula for the displacement of the particle and the total distance it has traveled at time t = 2 seconds. Total distance traveled: meters in 2 seconds Question 2 A 25-year old woman burns 400 80t cal/hr while walking on her treadmill. Her caloric intake from drinking Gatorade is lOOt calories during the tth hour. What is her net decrease in calories after walking for 5 hours