Find the range of the quadratic function.
-$$f ( x ) = - x ^ { 2 } - 2 x - 1$$
A) $( - \infty , 0 ]$
B) $[ 0 , \infty )$
C) $[ - 1 , \infty )$
D) $( - \infty , - 1 ]$

Name: Find the range of the quadratic function. -\[f ( x ) = - x ^ { 2 } - 2 x - 1\] A) $( - \infty , 0 ]$ B) $[ 0 , \infty )$ C) $[ - 1 , \infty )$ D) $( - \infty , - 1 ]$
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Question

Quizplus · Accepted Answer

The range of a quadratic function with a negative leading coefficient is $( - \infty , 0 ]$.

Find the Range of the Quadratic Function f(x)=−x2−2x−1f ( x ) = - x ^ { 2 } - 2 x - 1f(x)=−x2−2x−1

Find the Range of the Quadratic Function $f ( x ) = - x ^ { 2 } - 2 x - 1$