1) Which of these is NOT a function a) b) c) d) 2) Which IS a function a) b) c) d) 3) Which representation shows y as a function of x (you cannot have 2 different y values for the same x input in a function) a) b) c) d) 4) Is this mapping a function? a) It is a function b) It is not a function 5) Is this mapping a function? a) It is a function b) It is not a function 6) Identify the domain of the relation: {(0, 7), (-7, 0) (0, -6), (6, 0)} a) {-7, -6, 0, 6, 7} b) {-6, 0, 7} c) {-7, 0, 6} 7) Identify the range of the relation: {(0, 7), (-7, 0) (0, -6), (6, 0)} a) {-7, -6, 0, 6, 7} b) {-6, 0, 7} c) {-7, 0, 6} 8) f(x) = (x+1)2 what is f(3)? a) 10 b) 4 c) 16 9) g(x) = 2x -1 solve g(x) = 15 a) x = 32 b) x = 8 c) x = 7 d) 29 10) What is the domain of f(x) = 1 / (x-3) a) x not equal to 0 b) x not equal to -3 c) x not equal to 3

Functions

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Integrere

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Indstillinger

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