Which triangle makes this statement true?

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?

Equation for the calculation double 2 and then add 5

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew