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Test #1
N/A
68
Mathematics
Undergraduate 2
05/09/2014

Additional Mathematics Flashcards

 


 

Cards

Term
What is the general formula for a Linear Function
Definition

Ax + By=C

or

y=mx+b

Term

What is the key to recognizing a linear function

 

Definition
Both the x and y variable are to the first power
Term
Is the domain of a Linear Function all real numbers?
Definition
Yes, except for vertical lines which are not functions art all.
Term
What properties does a linear function always have?
Definition
Continuous
Term
What properties does a linear function usually or sometimes have?
Definition
Upper or lower bounds, always increasing or decreasing, one-to-one
Term
What properties does a linear function never have?
Definition
Horizontal and Verticle Asymptote, Inflection points, and turns
Term
What pattern are there in the outputs of the type of sequence?
Definition
First differences are constant.
Term
What is a real life example of a linear function?
Definition
Currency conversion, cellphone plan
Term
What is the general formula for a quadratic equation?
Definition
y=ax2+bx+c
Term
How do you identify a quadratic formula?
Definition
Look for x2
Term
Is the domain of a quadratic formula always real numbers?
Definition
Yes
Term
What is the general shape of a quadratic formula?
Definition
It is a parabola or a bowl shape.
Term
What features does a quadratic function never have?
Definition
Horizontal and Verticle asymptotes, Inflection points, and One-to-One
Term
What features does a quadratic function always have?
Definition
Upper or Lower bounds, Turns, can Continuous
Term
What patterns are their in the outputs of the quadratic formula?
Definition
Second differences are constant
Term
What is a real life application to the quadratic formula?
Definition
Throwing a ball.
Term
Do quadratic functions have lines of symmetry?
Definition
Yes
Term
What is the general formula for a cubic function?
Definition
y=ax3+bx2+cx+d
Term
How can you easily identify a cubic function?
Definition
It always has x3
Term
Is the domain of a cubic function always real numbers?
Definition
Yes
Term
What features does a cubic function never have?
Definition
Horizontal and Verticle Asymptote, and Upper or Lower bounds
Term
What features does a cubic function sometimes or usually have?
Definition
Turns, Always increasing or always decreasing, one-to-one
Term
What features does a cubic function always have?
Definition
Continuous
Term
What patterns are there in the outputs of a cubic formula?
Definition
Third differences are constant.
Term
What is a real life application for a cubic function?
Definition
Volume of different shaped boxes.
Term
What is the base function for an Exponential Function?
Definition
y+a(cx+c)+d
Term
How can you distinguish an exponential function?
Definition
Any constant with "x" as an exponenet acting as a variable
Term
Is the domain for Exponential Functions all real numbers?
Definition
Yes
Term
What properties does an exponenetail function always have?
Definition
Horizontal asymptote, Upper or lower bounds, continuous, one-to-one, always increasing or always decreasing.
Term
What properties does a exponential function never have?
Definition
Verticle asymptote, inflection points, and turns
Term
What patterns are there int he outputs of Exponential Functions?
Definition
Ratios or Ratios of First Differences are constant.
Term
What are some real life examples of Exponential Functions?
Definition
Cooling of water, Ulimitied Population growth, radioactive decay.
Term
What is the basic formula for an Absolute Value funciton?
Definition
y=a|x+b|+c
Term
How can you distinguish if a function is an absolute value function?
Definition
An formula that has "x" between the absolute value bars.
Term
Is the domain always real numbers?
Definition
Yes
Term
What are some features that an absolute value function Always have?
Definition
Upper or Lower bounds, Continuous, Turns
Term
What are some features that an Absolute Value Function never have?
Definition
Verticle or Horizontal Asymptote, Inflection points, One-to-one
Term
What patterns are there in the outputs of an absolute value function?
Definition
First differences are one value for awhile and then switch to the negative of the value.
Term
What are the real life application for an absolute value function?
Definition
Pacing back and forth, Body tempurature with fever and then taking a fever reducer, Calculating the difference between the measurements that two different machines make of the size of bolt.
Term
What is the basic function for a Logarithmic Function?
Definition
y=alogb(x-c)+d
Term
How can you distinguish a log function?
Definition
Any function with "x" int he argument of "log()"
Term
Is the domain of a logarithmic function all real numbers?
Definition
No, you can't take the log of a negatice number
Term
What are some features that a Logarithmic function always have?
Definition
Verticel Asymptote, continuous, one-to-one, always increasing or always decreasing
Term
What are some properties that a logarithimic function never have?
Definition
Horizontal asymptote, inflection point, upper or lower bounds, and turns
Term
What patterns are there in the outputs of a logarithmic function?
Definition
None!
Term
What are some real life examples of a log function?
Definition
Learning curve, Walking Rate, Richter Scale, Decibles
Term
What is the base function for a logistical function?
Definition
y=(a/1+be-cx)+d
Term
How can you distinguish a Logistic Function.
Definition
Typically has an "e" int he denominator.
Term
Is the domain for a logistic function all real numbers?
Definition
Yes
Term
What are some propertites that a logistic function always has?
Definition
Horizontal asypmtotes, one-to-one, continuous, alway increasing or decreasing, upper or lower bounds, Inflection points
Term
What are some propertites that a Logistic funciton never have?
Definition
Verticle asymptote, Turns
Term
What patterns are there in the outputs of a logistic function?
Definition
None
Term
What are some real life application to a logstic function?
Definition
Population growth, Epidemic spread of a disease
Term
What is the base function for a Radical Function?
Definition

y=an√(x+b)+c

 

Term
How can you distinguish a radical function?
Definition
When "x" is under the radical symbol.
Term
Is the domain all real numbers?
Definition
For odd numbers as "n" yes, for even numbers no
Term
What are som charactaristics that a radical function always have?
Definition
Alway increasing or decreasing, one-to-one, continuous, (sometimes) upper or lower bounds, (sometimes) Inflection points
Term
What are some characteristics that radical functions never have?
Definition
Vertical or Horizontal asymptotes, and turns
Term
What are some patterns in the outputs of a radical function?
Definition
None
Term
What are some real life examples of a Radical Function?
Definition
Pendulum or swing, car velocity
Term
What is the base formula for a Rational Function?
Definition
y=(ax+b)/(x+c)
Term
How do you distinguish a rational function?
Definition
Division, with x in both the numerator or denominator.
Term
Is the domain all real numbers?
Definition
No, something cannot be divided by zero
Term
What does the graph of a rational function look like?
Definition
Angel Wings
Term
What properties does a rational function usually have?
Definition
Vertical and Horizontal asymptote, one to one, always increasing or decreasing
Term
What properties does  a rational function sometimes have?
Definition
Inflection points, Upper or lower bounds, turns, and is continuous
Term
What patterns are their in the outputs of a Rational Function?
Definition
None
Term
What are some real life application for a Rational Function?
Definition
Preasure inside a closed container, Force of gravity, Intensity of Light
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