please help i need this done soon!
use the image for all questions.
1.Which functions have maximum values at their vertex?
2.Which functions have minimum values at their vertex?
3.Which functions have the same y-intercept?
4.Compare functions D and H. Which function has a lesser minimum value? Explain how you know
5.Look at functions G, E, and C. Which of these functions have at least one negative root?