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Satellite dish antennas have the shape of a parabola. Consider a satellite dish that is 80 cm across. Its cross-sectional shape can be described by the function d(x) = 0.0125x2 - x, where d is the depth, in centimetres, of the dish at a horizontal distance of x centimetres from one edge of the dish.What is the domain of this function?

 Jul 2, 2020
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The domain of the function is:  -∞ < x < ∞

 Jul 2, 2020

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