Which of the following number sequences could be produced by the expression 2x+x2? a. 3, 8, 15, 24 b. 1, 3, 5, 7 c. 1, -1, -3, -5 d. 2, 7, 14, 21

A.

Step-by-step explanation:

The given expression is

So we can write the general rule for the sequence as

Recall that the domain of a sequence is the set of natural numbers.

Let us plug in some first few natural numbers to generate the sequence.

When , we obtain,

When , we obtain,

When , we obtain,

When , we obtain,

Therefore the number sequence  produced by the given expression is,

The correct answer is option A

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step-by-step explanation:

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