Question

Please help, it would be much appreciated.
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 = _____

Answer 1

do you know the definition of the y-intercept?

Answer 2

the y intercept is the point on the graph where x=0