Problem 557

 

What is the range of 2x2 + 1.

 

Solution:-

 

The graph of the function is a parabola. The positive 2 in the equation will make the graph open up. The positive one shifts the graph up vertically. The range relates to they-values with respect to the graph. Therefore, the range is  y ≥ 1.

 

Leave a Reply

Your email address will not be published. Required fields are marked *