Use the product rule to simplify the radical— square root 315

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

Answer for 10 points show work you guys in advanced < 3

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer