A direct variation function contains the points (–8, –6) and (12, 9). Which equation represents the function? y = –negative StartFraction 4 Over 3 EndFraction equals StartFraction 4 Over 3 EndFractionx y = –k equals negative StartFraction 3 Over 4 EndFraction x. x y = k equals StartFraction 3 Over 4 EndFraction x. x y = k equals StartFraction 4 Over 3 EndFraction x. x

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck