Each blank can be represented by a blank on the coordinate plane

What is the inverse of the function f(x) = 2x + 1?

What is the slope of the line passing through the points (-5, 7) and (-3,5)?

Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle