Which of the following geometric series converges?

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?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2

Which figures are polygons? select each correct answer. figure a figure b figure c figure d