Is the relation a function?{(1,5),(1,7),(3,9),(4,11)} - No, because the x-values repeat., What is a function? - Every input has one output., Which set of values is a function? - (6,-5) (7, -3) (8, -1) (9, 1), Is this a function? - Yes, Is this graph a function? - yes, The x can repeat and still be a function - False, All of the y-values or outputs are called what? - Range, All of the x-values or inputs are called what? - Domain, Is the relation a function? Why? - No, because the x-value 11 has two y-values pair with it., Is this graph a function or not a function? - Not a Function, Find the missing output value. - 2, Evaluate f(-2) if f(x) = x + 3 - 1, Evaluate f(x)= -2x + 13 for f(10) - -7, What is the range of the graph? - [-1,∞), What is the domain of the graph? - (-∞,∞), What is the domain for this relation? - x ≥ -4, What is the Domain? - −∞ < x < ∞, What is the range? - y = 2, What is the domain? - -4 ≤ x < 5, What is the range? - -3 < y < 3,

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