Determine the domain and range of the relations and state if the relation is a function or not. [6 marks] a. Use Set Notation b. Use Interval...

are some of these right? and I need help on two word problems

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12.Determine the domain and range of the relations and state if the relation is a function ornot. [6 marks]a.Use Set Notationb.Use Interval NotationD= 221- 35 x1 X ERSD= (0, 7]R : Ey/ YEARSR = ( - 6, 0]13. Consider the function f(x) = 5(x - 3) + 2. [3 marks]5 (5 - 3 ) + 2a.Calculate f(5).25- 15+2b.Calculate f(-1) 5(-1-3) +2= (SC.If f(x) = 17, then find the value of x.17: 5 (x - 3) + 217 = 5x- 15+ 2173 5x - 13 + 1330: 5x-J