Before a detailed family budget can be created, your financial planner has advised you to examine the important aspects that affect a budget such as income, taxes, savings, and expenses. Work through the
following questions to start thinking about these aspects of budgeting.

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