The scale factor from rectangle abcd to rectangle wxyz is 4. what is the length of side wx?
a) 1.7 m
b) 3.4 m
c) 6.8 m
d) 13.6 m

Let d be the domain and let ƒ be the possible function. determine if the relation is an example of a function. d = {x| x is a date, expressed in day/month/year} ƒ(x) = temperature in seattle washington on that date