Please answer all questions

Name: Total: (25 Cont-Ed - MBF3C - Assessment 7 - Unit 4 - Quadratics - Assessment 1 [5] 1a) Calculate the first and second differences for the table below. First Difference Second Difference b) Is the relation linear or quadratic? c) Explain your results in part b. [1,1] 2. Looking at just the equation, state whether the following are linear or quadratic functions. Explain. a) y=x+7 b)y=-4x2+4 This is . This is Linear or Quadratic Linear or Quadratic Reason: Reason