How do you translate "the sum of a number N and seven multiplied by two" into a mathematical expression?
Either
or
As given the expression is slightly ambiguous.
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(N + 7 \times 2)
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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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- A boat travels upstream, against the current, at a speed of 4 miles per hour. On the return trip, the boat travels downstream, with the current, at 10 miles per hour. The speed of the current remains constant. What is the speed of the current?

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