Chapter 3 Functions

Question 1

Relation

Answer 1

Pairs inputs with outputs

Question 2

Function

Answer 2

Pairs each input with exactly one output

Question 3

Function

Answer 3

When all the x’s are different

Question 4

Domain

Answer 4

Is all the Input values (x’s)

Question 5

Range

Answer 5

Is all the output values (y’s)

Question 6

Linear Function

Answer 6

Graph is a non-vertical line and has a constant rate of change

Question 7

Non-linear Function

Answer 7

Graph is not a line and does not have a constant rate of change

Question 8

Independent Variable

Answer 8

Represents the input values

Question 9

Dependent Variable

Answer 9

Represents the output Values

Question 10

Discrete Domain

Answer 10

Set of input values that consists of only certain numbers

Question 11

Continuous Domain

Answer 11

Set of input values that consists of all numbers in an interval

Question 12

Function Notation

Answer 12

F(x) and is another name for y

Question 13

Vertical Line Test

Answer 13

Test on the graph to see if it is a function

Question 14

X-intercept

Answer 14

Where the graph crosses the x-axis. Y=0

Question 15

y-intercept

Answer 15

Where the graph crosses the y-axis, x=0

Question 16

Standard form

Answer 16

Ax+by=c

Question 17

Slope

Answer 17

Rate of change between two points. Change in y over change in x. rise over run

Question 18

Positive slope

Answer 18

The line rises from left to right

Question 19

Negative slope

Answer 19

The line falls from left to right

Question 20

Slope of 0

Answer 20

The line is horizontal

Question 21

Undefined slope

Answer 21

The line is vertical

Question 22

Slope intercept form

Answer 22

y=mx+b