Mathematics - Functions - Introduction - Function notation - Decoding f(x)

6 pairs matching function notation with plain English. Match: 'f(3)' ↔ 'the output when input is 3'. 'f(x)=2x+1' ↔ 'double the input and add 1'. 'f(0)' ↔ 'the y-intercept'. 'domain' ↔ 'all possible inputs'. 'range' ↔ 'all possible outputs'. 'f(a)=f(b)' ↔ 'two inputs give the same output'. This demys