# How do you solve #15-2y-y^2<=0#?

The answer is

Let's factorise the equation

Now, we can make a sign chart

Therefore,

graph{(5+x)(3-x) [-32.47, 32.48, -16.25, 16.24]}

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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.

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