dispensing unit decreased in value by 25% during the first year if the dispensing unit was purchased for 28,000 what is the dispensing unit worth at the end of 1st year

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