Question

What is the vertex of y = |x + 1| ? The vertex is 2 points...... example (3,5)

Answer 1

(-1,0)

Answer 2

y is always positive because of the modulus sign.
if you draw the graph of y = x + 1 the line passes thru x = -1 so that is the vertex of
y= |x+ 1|
vertex is (-1,0)