How do you find the vertex, directrix and focus of #y= -3(x+1)^2 - 4#?
Vertex is at
focus is at
from focus and directrix situated downside and upper side of the
vertex. Distance of the directrix from vertex is
graph{-3(x+1)^2-4 [-40, 40, -20, 20]} [Ans]
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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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