Answer: OPTION B.
Explanation:
You need to remember that a product is the result of a multiplication.
Let be the number mentioned in the problem "x", "the product of seventeen and a number" means that:
Now "twelve more than the product of seventeen and a number" indicates that you need to add 12 to
.
Therefore, you can write the phrase in the following mathematical expression:
or
This matches with the option B.