What is the vertex, axis of symmetry, the maximum or minimum value, and the range of parabola #f(x)=x^2 -2x -15#?
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Vertex: (1, -16/4) or (1, -4)
Axis of symmetry: x = 1
Maximum/Minimum value: The parabola opens upwards, so it has a minimum value. The minimum value occurs at the vertex.
Range: Since the parabola opens upwards, the range is all real numbers greater than or equal to the minimum value. So, the range is [-16/4, ∞) or [-4, ∞).
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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