Question

A flower seed was planted 12 inches underground. It began growing 4 inches every week.

Answer 1

12 + 4x

Explanation:

It already had a starting point of 12 inches. So we add 12 to its height. Then we have 4x, x representing the number of weeks that have passed, and 4 meaning that it is growing 4 inches every week. This is why the answer is 12+4x in case you are looking for an expression