functions Flashcards
1
Q
x values
A
domain
2
Q
y values
A
range
3
Q
one-to-one function
A
if every element is mapped onto exactly one element in the range
4
Q
many to one function
A
if every element in the domain is mapped onto exactly one element in the range, but some elements in the range arise from more than one element in the domain
5
Q
range of f(X)=
A
domain of f-1(x)
6
Q
domain of f(x)=
A
range of f-1(X)
7
Q
constant
A
vertex x value
8
Q
2/x +3/x=
A
5/x
9
Q
when you have a fraction in a fraction
A
multiply the denominator with the numerator
10
Q
y>2 wrong
A
f(X)>2 correct
11
Q
tangent
A
1 intersection so b^2-4ac=0
12
Q
only one to one
A
has inverse
13
Q
one to many
A
not function
14
Q
many to one
A
does not have an inverse
15
Q
if they say xER
A
range is from vertex
19
Q
translation
A
20
Q
reflection
A
21
Q
stretch
A
