Adv functions, and last option for question 14 is x=2ab/x+b

12. Which function would result from stretching r-A'I) vertically by a factor of 3 and then vertically translating the graph 6 units down? a. y - Mir) - d b. .v - Mr- 6) c. y -}[3.x)- 6 d. y -3x- 6) "HF-ll\": Year End Task May 202:} - Day II Page 3 of 9 13. it takes a small pump 4 hours longer to fill a tank than a large pump. If both pumps work together. the tank can be lled in 2 hours and 40 minutes. How long will it take each pump working alone to fill the tank? large: 4 hrs, Small: 3 hrs a. large: 4 hrs. Small: 8 hrs b. large: 3.5 hrs, Small: 7.5 hrs c. large: 6 hrs, Small: 10 hrs d. large: 4.5 hrs. Small: 8.5 hrs 2 l l 14.50hreforit: -= .1' .r-a .r-b H; a 1-1: lab bx--a+b 1:; c x+b