Pls help it is due today

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

What describes horizontal cross section of the right rectangle 6m 8m 5m

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?