2. This happens to y when x is tripled in the relation y= k/x a. y is tripled b. y is doubled c. y is halved d. y is divided by 3 3. if s varies directly as t and inversely as v, then one of the following equations describes the relation among the three variables s, t, and v. b. s= k/tv s= kv/t s= tv/k s= kt/v b. c. d. 4. The simplified form of 405-26-11000frac 12-1 b.1 b. 1/75 1/150 d. 1/6000 C.