the-following-equation-is-that-of-a-parabola-using-its-vertex-and-the-direction--1

Question

The following equation is that of a parabola. Using its vertex and the direction in which it opens, solve for its domain and range, and tell if the given relation is a function or not.

y = - x² + 10x - 21

Accepted Answer

Domain: (- ∞, ∞), Range: (- ∞, 4]: Function

Answer

Domain: (- ∞, 5), Range: (- ∞, ∞): Function

Answer

Domain: (- ∞, 5), Range: (- ∞, ∞): Not a function

Answer

Domain: (- ∞, ∞), Range: (- ∞, 4]: Not a function

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The following equation is that of a parabola. Using its vertex and the direction in which it opens, solve for its domain and range, and tell if the given relation is a function or not.
y = - x² + 10x - 21