The function has one relative extreme point. Check the concavity.

Question

f(x)=2x²-1

The relative extreme point on the graph is ____ (Type an ordered pair)

Since the value of f’’ at the relative extreme point is ___, the graph is (what concavity?) at this point.

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I am very confused so help with this would be very appreciated

Answer 1

The equation is of an upward opening parabola. The vertex (absolute minimum) is at (0, -1)