Need help asap! please!!

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Use set buikder notation to represent the following set: {, -2, -1, 0}

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.