Unit 1- Summer 2018

Question 1

relation

Answer 1

collection or set of ordered pairs

Question 2

function

Answer 2

type of relation where every first coordinate has a distinct second coordinate

Question 3

domain

Answer 3

x values

Question 4

range

Answer 4

y values

Question 5

functional values

Answer 5

are also output blues aka y values

Question 6

linear, quadratic, cubic function domain

Answer 6

all XER

Question 7

even

Answer 7

exponents are all even

- symmetric around the y axis aka if you put a mirror, it will flip

Question 8

odd

Answer 8

exponents are odd

- symmetric around origin. take a point and flip it around

Question 9

even how to do algebra

Answer 9

sub in -x for x and if f(-x)=f(x) then function is even

Question 10

odd how to do algebra

Answer 10

sub in -x for x and if f(-x)= -f(x) then it is odd

Question 11

continuous functions

Answer 11

can be drawn without lifting pencil

Question 12

one-to-one

Answer 12

when no two elements in the x have the same image in the range then the inverse is also a function

Question 13

even how to do algebra

Answer 13

sub in -x for x and if f(-x)=f(x) then function is even

Question 14

odd how to do algebra

Answer 14

sub in -x for x and if f(-x)= -f(x) then it is odd

Question 15

continuous functions

Answer 15

can be drawn without lifting pencil

Question 16

one-to-one

Answer 16

when no two elements in the x have the same image in the range then the inverse is also a function

Question 17

y is a function of x

Answer 17

find if the inverse is a function

Question 18

when it says how does “___” affect the graph?

Answer 18

show using mapping notation

Question 19

mapping notation

Answer 19

(x +h/b, ay +k)

Question 20

piecewise function

Answer 20

a function defined by using two or more rules on two or more intervals; as a result, the graph is made up of two or more pieces of similar or different functions

Question 21

piecewise function domains

Answer 21

written as
[__function__, domain
[__function__, domain
etc.

Question 22

absolute value is

Answer 22

always a positive number

Question 23

composition

Answer 23

when two functions con be combined like this

ex. f(g(x)) AKA (f . g)(x)

Question 24

Absolute valu function

Answer 24

The absolute value of a number, defined as its distance on the number line to the origin