Topics 1-3

Question 1

range

Answer 1

set of all values that dependent variable can take on

Question 2

Function

Answer 2

Directional relationship b/w variables

-each input produces exactly one output

Question 3

Fill in the blank with variables x and y.

_____ is a function of____

Answer 3

Y is a function of X

Question 4

piecewise function

Answer 4

includes equations and x in between inequality signs

Question 5

domain

Answer 5

set of all values that the independent variable can take on

Question 6

what variable values do you use to describe intervals?

Answer 6

x-values

Question 7

name all parts of the equation

d=f(t)

Answer 7

d- dependent variable
f- name of function
(t)- independent variable

Question 8

describe a function that’s constant

Answer 8

dependent variable values remain constant as you move along the graph

Question 9

how can you tell if the dependent variable values are decreasing

Answer 9

dependent variable values are decreasing as you move along the graph

Question 10

when do you always use paranthesis

Answer 10

to describe intervals (in parathesis)

Question 11

domain in context

Answer 11

set of inputs that work in the scenario presented in the word problem

Question 12

how do you read function notation

Ex: d=f(t)

Answer 12

distance is a function of time

Question 13

NOW-NEXT equation

Answer 13

now + ____= next

(babied down version of explicit equation

Question 14

domain out of context

Answer 14

set of inputs that work mathematically (inputs that produce a real number output)

Question 15

rate of change of a function

Answer 15

RATIO representing how the dependent variable changes with respect to a change in the independent variable

Question 16

how can you tell if a function is increasing

Answer 16

if dependent variable values are increasing as you move along the graph