SOLUTION: Find the range of f(x) = −x2 − 6x − 7.

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Question 1130541: Find the range of
f(x) = −x2 − 6x − 7.

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!


here you have parabola that opens downward; so, it has a maximum at vertex
range will be all below coordinate of the vertex
write your equation in vertex form:




=> => coordinate of the vertex
then, range is:
{ element : }



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