Uhmm...hi... can someone plss answer this...
plss don't waist ma póints.​

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

Ineed if you could explain and give me the answer you! this needs done

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?