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Which of the following set of ordered pairs is a function? {(-1, 1), (0, 3), (2, 7), (3, 9)} {(0, 1), (1, 3), (2, 7), (1, -2)} {(-1, 3), (0, 3), (-2, 5), (-1, 1)} {(2, 1), (2, 2), (2, 3), (2, 4)} Which table represents a function? -4 3 5 5 9 x x 3 3 2 1 1 2 2 y 10 12 10 15 y 7 6 3 5 9 3 5 6 x x 12 12 10 y 1 2 2 6 3 y f(x) = 3x2 - 2x + 5
What is the value of f(5)? 70 30 10 6 Which of the following is not the graph of a function? |