Is this relation a function
y=2x - 5

Asequence is a function whose is the set of natural numbers

Two numbers have a sum of 93. if one number is p, express the other number in terms of p.

Graph a triangle (xyz) and reflect it over the line y=x to create triangle x’y’z’. describe the transformation using words. draw a line segment from point x to the reflecting line, and then draw a line segment from point x’ to the reflecting line. what do you notice about the two line segments you drew? do you think you would see the same characteristics if you drew the line segment connecting y with the reflecting line and then y’ with the reflecting line? how do you know?