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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