SOLUTION: What is the increasing interval of y=x^2-2x-3

SOLUTION: What is the increasing interval of y=x^2-2x-3

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Question 428247: What is the increasing interval of y=x^2-2x-3
Answer by Gogonati(855) (Show Source): You can put this solution on YOUR website!
Solution: The function is an upward parabola. To find the increasing
interval we need its vertex, since for , we have a minimum.
and the increasing interval is:
( 1, ).
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