Will mark brainliest!

me answer this question in the attachment, i do not understand it and need it asap

** the answer is not a**

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Solve the equation x/4 - 5= -8 -27 -12 -7 12

This is about circle theorems. someone asap : (