Exam (elaborations)
Precalculus Functions & Graphs Questions And Answers Latest Update
- Course
- Pre-Calculus
- Institution
- Dominican University Of California
Precalculus Functions & Graphs Questions And Answers Latest Update
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Precalculus: Functions & GraphsQuestions And Answers Latest
Update
Axis of Symmetry ANS✔✔ A line that divides a plane figure or a graph into
two congruent reflected halves
Cartesian plane ANS✔✔ a plane divided into four quadrants by the
intersection of the x-axis and the y-axis at the origin
Composition of Functions ANS✔✔ A function is performed, and then a
second function is performed on the result of the first function. The
composition of f and g is denoted by f ◦ g, and [f ◦ g](x) = f[g(x)] .
Difference of Sets ANS✔✔ The set difference of set B from set A, is the set of
all elements in A that are not in B
Disjoint sets ANS✔✔ sets that have no elements in common
Function ANS✔✔ A prewritten formula that makes it easy to perform
common calculations
Function Machine ANS✔✔ An imaginary machine used in EVERYDAY
MATHEMATICS to change numbers according to a given rule.
, Graph ANS✔✔ A diagram showing the relation between variable quantities,
typically of two variables measured along a pair of lines at right angles.
Graph of a Function ANS✔✔ collection of orderd pairs such that x is in the
domain of f
Graph of an Equation ANS✔✔ A graph of the set of ordered pairs that are
solutions of the equation.
Increasing Functions ANS✔✔ Functions that increase. x1 < x2 or f(x1) <
f(x2) These are read from left to right. X axis is used.
Intercept ANS✔✔ The point where the graph of a function crosses the x-axis
or y-axis.
Intersection of Sets ANS✔✔ The intersection of the sets of A and B, written
A∩B, is the set of elements that are in both A and B.
Inverse Function ANS✔✔ A relation formed by reversing x and y in a
function.
Like Terms ANS✔✔ Expressions that contain the same variables to the same
power
Line ANS✔✔ A straight path that goes without end in two directions.
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