Question

What is the vertex of the graph of y = |–x + 4| + 1?
Answer (4, 5)
(5, 1)
(5, –1)
(4, 1)

Answer 1

D

Answer 2

wait a minute let me confirm

Answer 3

yeah d

Answer 4

D 100% sure

Answer 5

yeap correct

Answer 6

It'll be the x value where the inside of the absolute value expression goes from negative to positive. It's easy to see this will happen at x=4. To get the y value you plug it back into the function.