Chapter 4 Flashcards
1
Q
Cartesian product denoted as _
A
R x R or R^2
2
Q
Cartesian product
A
all possible ordered pairs of real numbers
3
Q
RxR =
A
{x,y|x is an element of R and y is an element of R}
4
Q
R^2 is represented by
A
the Cartesian coordinate plane
5
Q
relation R in R^2
A
any subset of R^2
6
Q
function
A
set of ordered pairs for which each first component is paired with one and only one second component
7
Q
y = f(x) means
A
the value of f at x
8
Q
The value that is substituted for x in y = f (x) is called the _
A
argument for the function f
9
Q
What is the name of the function f(x)
A
f
10
Q
What is y = f(x)
A
image of x under f
11
Q
(f+g)(x)=
A
f(x)+g(x)
12
Q
(f-g)(x)=
A
f(x)-g(x)
13
Q
(fg)(x)=
A
f(x)*g(x)
14
Q
(f/g)(x)=
A
f(x)/g(x)
15
Q
composition of two functions
A
(f*g)(x)
