Mathematics, 15.10.2020 01:01 letsgivepece2309

The range of a quadratic function is (−∞, a], where a is any real number. Which of the following statements must be true? The quadratic function is concave up with a negative leading coefficient.

The quadratic function is concave up with a positive leading coefficient.

The quadratic function is concave down with a positive leading coefficient.

The quadratic function is concave down with a negative leading coefficient.

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The range of a quadratic function is (−∞, a], where a is any real number. Which of the following sta...