Math 1314 Vocabulary Quiz
An m by n rectangular array of numbers is called a(n) Correct Answer: matrix
The matrix used to represent a system of linear equations is called a(n) ______ matrix Correct Answer:
augmented
If f is a function defined by the equation y=f(x), then x is called the ______ variable and y is the _______
variable Correct Answer: independent, dependent
The set of all images of the elements in the domain of a function is called the Correct Answer: range
Every relation is a function Correct Answer: false
The independent variable is sometimes referred to as the argument of the function Correct Answer:
true
For the graph of the linear function f(x)=mx+b, m is the _______ and b is the ______ Correct Answer:
slope, y-intercept
if the slope m of the graph of a linear function is _____, the function is increasing over its domain
Correct Answer: positive
The slope of a line is the average rate of change of the linear function Correct Answer: true
A set of points in the xy-plane is the graph of a function if and only if every _______ line intersects the
graph in at most one point Correct Answer: vertical
The y-intercept of the graph of the function y=f(x), whose domain is all real numbers, is f(0) Correct
Answer: True
A function f is _______ on an open interval I if, for any choice of x1, and x2 in I, with x1<x2, we have
f(x1)<f(x2) Correct Answer: increasing
An ________ function f is one or which f(-x)=f(x) for every x in the domain of f; an ______ function f is
the one for which f-x)=-f(x) for every x in the domain of f Correct Answer: even, odd
A function f has a _______ _________ at c if there is an open interval I if, for any choice of x1 and x2 in
I , with x1<x2, we have f(x1)>f(x2) Correct Answer: True
A function f has a _______ _______ at c if there is an open interval I containing c so that, for all x not
equal to c in I, f(x)<f(c) Correct Answer: local maximum
Even functions have graphs that are symmetric with respect to the Correct Answer: y-axis
When functions are defined by more than one equation, they are called ______ functions Correct
Answer: piecewise defined
An m by n rectangular array of numbers is called a(n) Correct Answer: matrix
The matrix used to represent a system of linear equations is called a(n) ______ matrix Correct Answer:
augmented
If f is a function defined by the equation y=f(x), then x is called the ______ variable and y is the _______
variable Correct Answer: independent, dependent
The set of all images of the elements in the domain of a function is called the Correct Answer: range
Every relation is a function Correct Answer: false
The independent variable is sometimes referred to as the argument of the function Correct Answer:
true
For the graph of the linear function f(x)=mx+b, m is the _______ and b is the ______ Correct Answer:
slope, y-intercept
if the slope m of the graph of a linear function is _____, the function is increasing over its domain
Correct Answer: positive
The slope of a line is the average rate of change of the linear function Correct Answer: true
A set of points in the xy-plane is the graph of a function if and only if every _______ line intersects the
graph in at most one point Correct Answer: vertical
The y-intercept of the graph of the function y=f(x), whose domain is all real numbers, is f(0) Correct
Answer: True
A function f is _______ on an open interval I if, for any choice of x1, and x2 in I, with x1<x2, we have
f(x1)<f(x2) Correct Answer: increasing
An ________ function f is one or which f(-x)=f(x) for every x in the domain of f; an ______ function f is
the one for which f-x)=-f(x) for every x in the domain of f Correct Answer: even, odd
A function f has a _______ _________ at c if there is an open interval I if, for any choice of x1 and x2 in
I , with x1<x2, we have f(x1)>f(x2) Correct Answer: True
A function f has a _______ _______ at c if there is an open interval I containing c so that, for all x not
equal to c in I, f(x)<f(c) Correct Answer: local maximum
Even functions have graphs that are symmetric with respect to the Correct Answer: y-axis
When functions are defined by more than one equation, they are called ______ functions Correct
Answer: piecewise defined
