(4x + y) 2

Week 1 Monday, August 28, 2017 9:18 PM 1. Functions Situation where there is an input (x) and some output (y) represented by an ordered pair (x,y). A function is a relation. So, for every input there's exactly ONE output Ex. Function: Input a number, output its square. (1,1) (2,4) (3,9)… Ex. Not a function: In put...