8. Relations And Functions:definitions

Question 1

Domain

Answer 1

The first element (X-value) of a relation or function; input

Question 2

Range

Answer 2

The second element (y-value) of a relation or function; output

Question 3

Function

Answer 3

A relation such that for every X-value there exists one y-value; Every X-value is used only once; every function is a relation but not every relation is a function

Question 4

Input

Answer 4

X-value of a function or relation

Question 5

Output

Answer 5

Y-value of the relation or function

Question 6

Relation

Answer 6

Any set of numbers that are able to be graphed on a coordinate plane; a relation can be a function, but is not always a function

Question 7

F(X)=x^2

Answer 7

Quadratic, (0,0)

Question 8

F(x)=square root of x

Answer 8

Square root, (0,0)

Question 9

F(X)=x^3

Answer 9

Cubic, (0,0)

Question 10

F(X)=cube root of X

Answer 10

Cube root, (0,0)

Question 11

F(X)=absolute value of X

Answer 11

Absolute value, (0,0)

Question 12

F(X)=1/X

Answer 12

Rational, X=0 y=0

Question 13

To translate a function horizontally?

Answer 13

Add or subtract within function
+=left
-=right

Question 14

To translate a function vertically?

Answer 14

Add or subtract outside of function
+=right
-=left