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  • Math
    A function is a one-one relationship between two variables `x` and `y` ie each value of `x` is mapped to one value of `y` only. Two values of `x` may map to the same value of `y` and the relation...

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  • Function Inverses
    f(x) = -x^2 +4 To find the inverse of this function, swap the variables and solve for y. x = -y^2 +4 -y^2 + 4 = x -y^2 = -4 +x -y^2 = x-4 Multiply each term in the equation by -1. y^2 = 4-x Now...

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