Question

Consider the relation y = 4|x + 2| + 7. What are the coordinates of the vertex?

(7, −2)
 (2, 7)
 (4, −2)
 (−2, 7)

Answer 1

Since anything within absolute value signs is ≥0, we know that the minimum value, when x=-2, is 7

So the vertex is the point (-2, 7)