4. rate = 52 gal/min 5. rate = 50 gal/min 004 (part 1 of 2) 10.0 points It took Anna from noon until 4 p.m. to drive from UT to her home 140 miles from Austin. After t hours of driving her distance from Austin was given in miles by 105 s (t) = +2 35 +3 4 8 (i) What was her average speed for the trip home? 1. average speed = 36 mph 2. average speed = 33 mph 3. average speed = 35 mph 4. average speed = 34 mph 5. average speed = 37 mph 005 (part 2 of 2) 10.0 points