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22 October, 10:43

Which of the following functions has the function rule y = x + 4?

{ (0, 2), (-2, - 6), (1, 5) }

{ (2, 6), (-3, - 7), (0, 4) }

{ (-3, 1), (0, 4), (2, 6) }

{ (-2, 2), (-1, - 5), (3, 7) }

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  1. 22 October, 14:34
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    The answer is { (-3, 1), (0, 4), (2, 6) }. U use substitution to solve. So substitute x in Y = X+4

    Substitute x with 2 so the equation now reads

    Y = 2+4

    =6

    Remember the first number is always = x and the second number is always Y
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