Test your basic knowledge |

CLEP College Algebra: Functions

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is the average rate of change formula?
(-infinity - 0]U[0 - +infinity)
Y
f(x2)-f(x1) / x2-x1
Y= then enter the number then press graph

2. What is the vertical line test?
(-infinity - +infinity)
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
divide x coorindate by c to get the y coorindate and they shrink or stretch the graph accordingly
When does a graph not define y as a function of x?

3. What direction does f(x)-c move in standard absolute value formula?
parabola
down
Equation of a line
f(x^1)=f(x^2)

4. What is the range of a square root function?
in a quotient
[0 -+infinity)
The minimum or maximum points
f(x^1)=f(x^2)

5. What can we substitute for f(x)?
down
The second set of components of an ordered pair
parabola
Y

6. What is the domain and range of a constant function?
parabola
(-infinity - +infinity)
Y=10
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

7. What is the range of the constant function?
math 4 x - graph
Y=x - identity function
The single number y=
f(x+h)-f(x)/h h cannot equal zero

8. What shape is the standard quadratic function?
(-infinity - 0]U[0 - +infinity)
Y
x math 3 graph
parabola

9. {(1 -4)(2 -6)(3 -9)} what numbers are the range?
0<c<1 - horizontal stretching
4 -6 -9
down
C(t) = 20+(.40(t-60) if you have a base of $20 for a plan and .40 cents above every minute you spend over one hour you have to first know how many minutes you went over one hour - then multuply by .40 cents for the additional minutes and add the base

10. Is the standard cubic function odd - even or neither?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
odd
(-infinity - 0]U[0 - +infinity)
(-infinity - +infinity)

11. What is the range for a standard quadratic function?
(-infinity - 0]U[0 - +infinity)
same
odd
A line passing through two distinct points

12. What is the range for an absolute value function?
horizontal right
(-infinity - 0]U[0 - +infinity)
(-infinity - +infinity)
0<c<1 - horizontal stretching

13. what is the formula for slope?
Change in y / change in x = rise / run = y2-y1 / x2-x1
same
Cannot be drawn in quizlet
up

14. What does the graph of the cube root function look like on the graph?
Approach neg toward x through zero and above positive close to x
function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Yes because two x's or domains can point to one y
in a quotient

15. what is a range?
(-infinity - +infinity)
When does a graph not define y as a function of x?
The second set of components of an ordered pair
0<c<1 - horizontal stretching

16. Camera sales price $276 and that is 40% off - what is the original sale price? What does x =?
Y=IxI
Yes because two x's or domains can point to one y
x = the original sale price and the formula is x - .40x =$276
same

17. What is the domain of the cube root function?
0<c<1 - horizontal stretching
Any set of ordered pairs
(-infinity - +infinity)
The single number y=

18. x=all real numbers is what type of an equation?
Conditional
Approach neg toward x through zero and above positive close to x
(-infinity - +infinity)
identity

19. What type of slope do you have when m=? and the line is vertical?
negative inverse
zero slope
Conditional
undefined slope

20. f(x) = x^2+3x+5 - what type of formula is this?
function notation
f(x)=IxI
(-infinity - +infinity)
45 degree angle

21. What type of slope do you have when the line is horizontal and m=0?
zero slope
f(x^1)=f(x^2)
in a quotient
Y=x - identity function

22. What type of line is a constant function?
odd
inconsitent
horizontal
negative inverse

23. What are the algebra of functions?
2nd key - x^2 - graph
Yes - all the domains points to one range
f(x) = x
(f+g) - (f-g) - (fg) - (f/g) all of x

24. What is the domain of a square root function?
horizontal
2nd key - x^2 - graph
m
[0 -+infinity)

25. 4(x-7)=4x-28 is what type of an equation?
Mirror image neg quadrant to that of the positive quandrant
function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.
Piecewise
identity

26. What is the standard quadratic function?
x^2
inconsistant
f(x) = x
function notation

27. In an identity function if f(10)=x than what is y?
Yes because two x's or domains can point to one y
Y=10
f(x)=suare root of x
horizontal left

28. What type of slope do vertical lines have?
Y=mx+b - b is the y intercept and m is the slope - x -y are the coordinates on the graph
Cannot be drawn in quizlet
same
undefined

29. Standard absolute value - vertical shift formulas for positve and negative
X is the first invesment at 15% and the next is the original $50K less the first investment at the second interest rate or 7% = $6 -000
Set the x and y to zero and get the intercepts and then plot the points
As many as you like
f(x)=+c and f(x)-c

30. What type of slope do you have when a line falls left to right and m<0?
Cannot be drawn in quizlet
zero slope
negative slope
function is the corespondence from the domain to the range. Each element of the domain relates to one element in the range.

31. How are functions normally written?
undefined slope
Set the x and y to zero and get the intercepts and then plot the points
Y=10
As equations

32. What are two examples of composit functions?
x is the hours to repair the boat. $1603-532=anwser/63 = x
f(x+c) and f(x-c)
20+.05x=5+.10x x=minutes
f of g and g of f

33. What is the formula for the square root function?
Any set of ordered pairs
Approach neg toward x through zero and above positive close to x
f(x)=suare root of x
neither

34. What are the four steps for finding the inverse of a function?
1) replace f(x) with y (2) swap x and y (3) solve for y (4) determine if the solution has an inverse
C(t) = 20+(.40(t-60) if you have a base of $20 for a plan and .40 cents above every minute you spend over one hour you have to first know how many minutes you went over one hour - then multuply by .40 cents for the additional minutes and add the base
even
horizontal right

35. Is an absolute value function even - odd or neither?
(f+g) - (f-g) - (fg) - (f/g) all of x
even
Y= then enter the number then press graph
x = the original sale price and the formula is x - .40x =$276

36. What is another way of writing the absolute value function?
(-infinity - +infinity)
Square Root
Y=IxI
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope

37. x^2+y=4 is this a function? Why?

38. What is the point slope formula and when do you use it?
(y-y1)=m(x-x1) and you use it when you have one point or set of coordinates and the slope
odd
(-infinity - +infinity)
same

39. Draw or discuss an increasing function
Cannot be drawn in quizlet
Square Root
zero slope
(-infinity - 0]U[0 - +infinity)

40. What are the calculator instructions for the standard cubic function?
perpendicular line
in a quotient
x math 3 graph
C>1 - horizontal shrinking

41. 4(x-7)=4x+28 is what type of an equation?
45 degree angle
inconsitent
odd
x = the original sale price and the formula is x - .40x =$276

42. {(1 -4)(2 -6)(3 -9)} what numbers are the domain?
The single number y=
x is the hours to repair the boat. $1603-532=anwser/63 = x
zero slope
1 -2 -3

43. (1 -5)(2 -5)(3 -5)(4 -5) - is this a function?
f(x)=3 square root x
inconsistant
Y=x - identity function
Yes - all the domains points to one range

44. What is the range for the standard cubic function?
(-infinity - +infinity)
identity
0<c<1 - horizontal stretching
even

45. Draw or discuss a decreasing function
f(x) = x
horizontal right
45 degree angle
Cannot be drawn in quizlet

46. How do you graph Ax+By+C=0?
Yes - all the domains points to one range
only one
f(x)=suare root of x
Set the x and y to zero and get the intercepts and then plot the points

47. What are the calculator instructions for the cube root function?
math 4 x - graph
horizontal
undefined
Y=IxI

48. What is the range of the cube root function?
remove grouping symbols and combine like terms - variables on one side of = and numbers on the other - isolate the variables and solve and check anwser.
f(x)=+c and f(x)-c
Conditional
(-infinity - +infinity)

49. Is a constant function even - odd or neither?
The single number y=
As equations
Cannot be drawn in quizlet
even

50. When is the only time (-infinity - +infinity) is not the domain?
f(x)=+c and f(x)-c
in a quotient
even
remove grouping symbols and combine like terms - variables on one side of = and numbers on the other - isolate the variables and solve and check anwser.

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Test your basic knowledge |

CLEP College Algebra: Functions

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3d Computer Modeling

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Adobe Illustrator Shortcuts

Adobe Indesign Publishing

Adobe Photoshop CS 2 - CS 3

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Adobe Photoshop CS 5 Keyboard Shortcuts

Adobe Photoshop Graphic Design

Adobe Photoshop Tools And Commands

Adobe Premiere Keyboard Shortcuts

Adobe Premiere Pro

After Effects Keyboard Shortcuts

Agile Development

Agile Scrum Methodology

Ajax

Android Programming

Animation

Asp.net Programming