2.1: relations& fractions Flashcards
1
Q
relations
A
a set of pairs of input and output values
2
Q
domain
A
a relations is the set of all inputs
3
Q
range
A
a relation is the set of all outputs
4
Q
mapping diogram
A
links elements of domain with corresponding elements of range
5
Q
function
A
a relation in which each element of the domain is pared with exactly one element in the range
6
Q
vertical-line test
A
the graph of a relation to tell whether the relation is a function
7
Q
function notation
A
“f of x” or “a function f of x” that doesn’t mean f times x.
