Question

The quadratic function f(x) is defined by the points in the table shown below.

The function g(x) is defined by the equation g(x) = (x−2)2+4.

Let a = the value of the y-intercept of f(x).

Let b = the value of the y-intercept of g(x).

b − a = _____
X f(x)
-2 4
-1 1
0 0
1 1
2 2