Question

The graph of f(x) = x2 has been shifted into the form f(x) = (x − h)2 + k:
a parabola with the vertex 4, 1

What is the value of k?
A) 1
B) −1
C) −2
D) 2

Please help and explain! Thanks so much!

Answer 1

 The answer to that is A) 1