Question

The graph of f(x) = x2 has been shifted into the form f(x) = (x − h)2 + k:

What is the value of h?

4

2

−2

−4

Answer 1

From the graph, the graph of x^2 was shifted 4 places to the right and 2 places down to give y = (x - 4)^2 - 2.
Thus h = 4.