Yuki´s guppies have begun to have babies . she started with 5 guppies. one week later, yuki counted twice as many guppies in the fish tank. each week afterwards, the number of guppies doubled . in how many weeks did yuki have 160 guppies ?

You are dumb you will drop out of high school

Ifound this on google “that means that the graph of a function with direct variation has these features: it is a straight line: because the slope is the ratio y/x = k. it passes through the origin (0,0): because y = kx = k (0) = 0.” i hope this you for what your looking for