Does the following relationship represent a function?

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

Which of the following is the correct equation for this function? a. y= (x+4)(x+2) b. y=x^2+ 3x – 2 c. y+ 2 = – 2(x+3)^2 d. y+ 2 = 2(x+3)^2

Need on this geometry question. explain how you did it.