linear equations and equalities, math homework help

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linear equations and equalities, math homework help

Please complete the following questions. It is important that you show all work you did to solve the problems when you submit your work. This includes any calculations, diagrams, or graphs that helped you solve it.

  1. OPEN ENDED Write a relation of four ordered pairs that is not a function. Explain why it is not a function.
  2. OPEN ENDED Write an equation of a line with slope 0. Describe the graph of the equation.
  3. OPEN ENDED Write a function involving absolute value for which f(-2) = 3.
  4. Writing in Math Use the information on page 115 to explain how step function’s apply to postage rates. Explain why a step function is the best model for this situation while your gas mileage as a function of time as you drive to the post office cannot be modeled with a step function. Then graph the function that represents the cost of a first-class letter