Determine the maximum possible number of turning points for the graph of the function.
-$f ( x ) = - x ^ { 2 } - 4 x - 21$
A)0
B)1
C)3
D)2

Name: Determine the maximum possible number of turning points for the graph of the function. -$f ( x ) = - x ^ { 2 } - 4 x - 21$ A)0 B)1 C)3 D)2
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Question

Quizplus · Accepted Answer

The function $f(x) = -x^2 - 4x - 21$ is a quadratic function, which is a parabola. The graph of a parabola has at most one turning point, where it changes direction from opening upwards to downwards or vice versa.

Determine the Maximum Possible Number of Turning Points for the Graph