Chapter 1 Flashcards
1
Q
how do you use difference quotient
A
plug what is inside f( ) into your equation
2
Q
how to tell iff one to one
A
f(a)=f(b)
a=b
3
Q
what does one to one mean
A
has an inverse
4
Q
what proves inverses
A
f(g(x))=x
g(f(x))=x
5
Q
cf(x) c >1
A
vertical stretch
6
Q
cf(x) c
A
vertical shrink
7
Q
f(cx) c>1
A
horizontal shrink
8
Q
f(cx) c
A
horizontal stretch
9
Q
-f(x)
A
reflection in x axis
10
Q
f(-x)
A
reflection in y axis
11
Q
odd function
A
f(-x)=-f(x)
12
Q
even function
A
f(-x)=f(x)
13
Q
what is the greatest integer function
A
[IxI]
greatest integer
14
Q
what is the difference quotient
A
f(x+h) - f(x)
____________
h
