L7: RELATIONS & FUNCTIONS

Question 1

is a set of ordered pairs

Answer 1

RELATIONS

Question 2

X value is called

Answer 2

DOMAIN

Question 3

Y value is called

Answer 3

RANGE

Question 4

A special relation. Each input (x) has exactly one output (y).

Answer 4

FUNCTIONS

Question 5

To test if a relation is a function give a graph use the _________

Answer 5

VERTICAL LINE TEST

Question 6

To evaluate functions means to ____________ or __________the value of the variable to the function.

Answer 6

SUBSTITUTE, PLUG IN