# What is #|| <4, 9, 7 > - < 9, -1, 2> ||#?

<-5, 10, 5>

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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.

- What is the projection of #<3, -6, 2># onto #<0, 1, 3>#?
- A ball is thrown into the air at some angle. At the very top of the ball's path, what is always 0?
- How do you normalize #( - 4 i - 5 j + 2 k )#?
- What is the cross product of #[2, 1, -4]# and #[1, -4, 0] #?
- A cannon fires a cannonball horizontally with a speed of 488 m/s. A. How long will it take the cannonball to fall 40 ft? B. How far will the shot travel in this time?

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