1) Which of the following relations are functions?, R₁ = {(1, 7) (2, 7) (4, 7) (6, 7)}, R₂ = {(1, 2) (1, 3) (1, 4) (1, 5)}, R₃ = {(x, y) (y, z) (z, t) (t, v)}, R4 = {(y, y) (y, z) (y, t) (y, v)}, 2) Which of the following arrow diagram represents functions?, 3) Find the value of f(x) = 〖4x〗^2+3x-15, when x = -2., -3, 3, -5, 5, 4) Which of the following sets of ordered pairs define a function?, {(0,1) (2,7) (8,0) (7,2)}, {(6,8) (7,8) (1,0) (2,0)}, {(3,3) (2,6) (4,6) (6,3)}, {(0,0) (9,0) (0,1) (15,0)}, 5) What values of x will make f(x) = g (x), where f(x) = x2 and g(x) = x + 6?, 4 and 10, 3 and 5, 2 and 8, 1 and 9

Pre-Test (Lesson1)

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