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OpenStudy (anonymous):
Determine whether the graph of y = x2 + 4x − 7 has a maximum or minimum point, then find the maximum or minimum value.
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OpenStudy (anonymous):
halp
OpenStudy (anonymous):
the slope: dy/dx = 2x + 4 Max is at dy/dx = 2x+4 = 0 -> x=-2, find y Max is at dy/dx = 2x+4 = 1 -> x=-3/2, find y
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