In Exercises 5762, use the vertex and the direction in which the parabola opens to determine the
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In Exercises 57–62, use the vertex and the direction in which the parabola opens to determine the relation’s domain and range. Is the relation a function?
y = -x2 + 4x - 3
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The xcoordinate of the vertex is 4 21 b 2a The y...View the full answer
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