Chapter 1 Flashcards
What does this sign mean >
positive number this sign to be used in domain and range
What is the Domain and Range for
f(x)=x2
f(x)=|x|
D: {x€R}
R: {f(x)€R|f(x)last # or (c)
What does this sign mean
negative number this sign to be used in domain and range
What is the domain and range of
f(x)=/x
D: Tale the number inside the square root and flip
R: take the outside # (c)
What are the domain and range for f(x)=_____1____
5x + 12
=\
D: take bottom numbers take last # and attached x # and put into a fraction
R: take c and that’s your range
Table of values for a linear function
F(x)=x
X Y -2 -2 -1 -1 0 0 1 1 2 2
What is the table of values for a quadratic function
F(x) = x2
X Y -2 4 -1 1 0 0 1 1 2 4
What is the table of values for a square root function
F(x) = /x
X y 0 0 1 1 4 2 9 3 16 4
What is the table of values for an absolute value function
F(x)=|x|
* to solve what is in the brackets the number must become positive and then multiply
X Y -2 2 -1 1 0 0 1 1 2 2
What is the table of values for a reciprocal function
F(x) = 1
X
X Y -2 -1/2 -1 -1 -1/2 -2 -------------- 0 0 -------------- 1/2 2 1 1 2 1/2
Function Defintion
A relation that has one X value that produces only one y value
Proper function form
F(x)=a f(k(x-d)) + c
When it’s a stretch you
Mutiply
When it’s a shift you
Add or subtract
The vertical stretch is
A and it goes to the y transformations
