3RDQ MASTERY TEST 1

Question 1

3 types of correspondence

Answer 1

one to one
one to many
many to one

Question 2

which correspondence is not a function

Answer 2

one to many

Question 3

set of inputs and outputs

Answer 3

relation

Question 4

a correspondence between two sets x and y in which each element of set x corresponds to exactly one element of set y

Answer 4

function

Question 5

function is like a machine because

Answer 5

an input enters the machine which produces an output

Question 6

all — are —, but not all — are —

Answer 6

all functions are relations, but not all relations are functions

Question 7

function may be defined by

Answer 7

mapping, table of values, set of ordered pairs, notation, graph

Question 8

how do we determine if a relation in a graph is a function

Answer 8

vertical line test

Question 9

how do we determine if a relation is a function in mapping, table of values, and set of ordered pairs

Answer 9

by determining the type of correspondence

Question 10

a graph is a function if and only if no vertical line intersects the graph in more than one point

Answer 10

vertical line test

Question 11

an efficient and effective way to display the output of a function f corresponding to an input x

Answer 11

function notation

Question 12

function can be named by letters such as

Answer 12

f, g, h

F, G, H

Question 13

types of function

Answer 13

linear, polynomial, absolute value, rational, radical, trigonometric, exponential, logarithmic, piecewise

Question 14

highest exponent of literal coefficient (x) is 1

Answer 14

linear function

Question 15

what is the graph of a linear function

Answer 15

horizontal or diagonal line

Question 16

value of x and y are the same (y=x)

Answer 16

identity linear function or identity function

Question 17

all possible values of x

Answer 17

domain

Question 18

all possible values of y

Answer 18

range

Question 19

graph of a quadratic function

Answer 19

parabola opening upward or downward

Question 20

meaning of []

Answer 20

from – to –

Question 21

meaning of ()

Answer 21

between

Question 22

highest exponent of literal coefficient (x) is 2

Answer 22

quadratic function

Question 23

graph of other polynomial functions (cubic, quartic, etc)

Answer 23

smooth continuous curve

Question 24

domain and range can be written in

Answer 24

interval notation or set builder notation

Question 25

which value comes first

Answer 25

LOWER

Question 26

meaning of (-1, 3]

Answer 26

values include -0.999… up until 3

Question 27

defined by different functions throughout the different intervals of the domain

Answer 27

piecewise function