Question

Identify the maximum or minimum value and the domain and range of the graph of the function y = 2(x – 3)2 – 4.

Answer 1

We are given the equation y = 2(x – 3)^2 – 4 and is asked for the domain and range of the following function. In this case, there is no radical sign so the domain includes all real numbers. The range has a minimum value of -4 since the squaring makes the value on the first term positive. Hence the answer is A.