Search: Functions

Number of results: 3,438

Calculus
We're learning about different kinds of functions and I don't really understand the difference between rational and algebraic functions. I know that rational functions are functions that are a ratio of two polynomials, and algebraic functions are any functions that can...
Thursday, September 13, 2007 at 11:09am by Kelly

algebra
1) Graph these functions using a graphing calculator or program: f(x) = x^2 + 5 g(x) = 2x + 5 h(x)= x^3 + 5 What similarities and differences can you see among them? 2) Given the above functions, do you think that all linear equations can be expressed as functions?
Tuesday, August 18, 2009 at 7:42pm by Anonymous

High School Pre Calculus
Do you know what the parent functions of y = sqrt(x) and y = x^3 look like? The functions f and g are simply those parent functions with a horizontal shift.
Saturday, January 16, 2010 at 8:02pm by Marth

statistics
A mini-computer system contains two components, A and B. The system will function so long as either A or B functions. The probability that A functions is 0.95, the probability that B functions is 0.90, and the probability that both function is 0.88. What is the probability ...
Saturday, March 5, 2011 at 3:54am by Paula

Functions in Math
Im looking at internet sites and Im not quite understanding functions. I have a question like; A function f(x) has the properties i) f(1) = 1 ii) f(2x) = 4f(x)+6 Could you help me out. I know nothing about functions.
Monday, October 15, 2007 at 3:54pm by Lena

math
Eight types of functions are graphed and explained at this tutorial site: http://www.analyzemath.com/Graph-Basic-Functions/Graph-Basic-Functions.html There is a place to click on the page to get it to work interactively. I don't know what you mean by Parents graphs.
Monday, May 12, 2008 at 10:22pm by drwls

Composite Functions
Find the composite functions for the given functions. (6 marks) f(x) = 4x + 1 and g(x) = x2 f(x) = sin x and g(x) = x2 - x + 1 f(x) = 10x and g(x) = log x
Saturday, January 19, 2013 at 4:28pm by Anonymous

Algebra
Use composition of functions to show that the functions f(x) = 5x + 7 and g(x)= 1/5x-7/5 are inverse functions. That is, carefully show that (fog)(x)= x and (gof)(x)= x.
Wednesday, July 29, 2009 at 3:30am by Alicia

Algebra
Graph and label the following two functions: f(x)=(x^2+7x+12)/(x+4) g(x)=(-x^2+3x+9)/(x-1) 1. Describe the domain and range for each of these functions. 2. Determine the equation(s) of any asymptotes found in the graphs of these functions, showing all work. 3. Discuss the ...
Monday, May 2, 2011 at 11:22am by Debra

Computer programming
Functions and procedures are used all the time in Modular programming. Can functions replace procedures? what are the advantages of using functions over procedures? Are there any advantages to using procedures over functions?
Tuesday, August 17, 2010 at 6:10pm by Brenda

Pre-Calculus
Operations with Functions write the function below as either a sum/difference/product/quotient of 2 r more functions a. h(x) = x^2+3x+9 How Would I do this? My teacher just did this f(x) = x^2 g(x) 3x+9 ^I dont really understand h(x)=(x+5)(x-3) how would I do this one? If h(x...
Wednesday, September 26, 2012 at 7:35pm by Shreya

Consider the functions
Consider the functions f(x)= 5x+4/x+3(This is a fraction) and g(x)= 3x-4/5-x(This is a fraction) a)Find f(g(x)) b)Find g(f(x)) c)Determine whether the functions f and g are inverses of each other.
Wednesday, April 10, 2013 at 12:03pm by Kayleigh

cjs/210
Will someone please help me find a website to answer the following questions? What are the various functions of a police agency? Compare how the functions of a police agency differ at the federal, state, and local levels. What would happen if the various functions and roles of...
Sunday, July 8, 2012 at 10:24am by Picaboo

advance functions gr12 HELP ASAP
Using rational functions solve 7+ (1)/x = 1/(x-2) thank you
Tuesday, April 2, 2013 at 1:10pm by james

Algebra 2 Functions
Use these functions: f(x)=3x-2 g(x)=2 h(x)=4x 1. What is f(g(x))? 2. What is g(18)? 3. Find h(5).
Wednesday, January 16, 2008 at 9:51pm by Amy

advance functions gr12
Using rational functions solve (7+ 1)/x = 1/(x-2)
Tuesday, April 2, 2013 at 11:24am by james

Functions of f(x)
this question wants you to make up the functions of f(x) and g(x) to proform each expression
Sunday, January 1, 2012 at 7:04pm by Hunter

Math
Use the functions f(x)=x+4 and g(x)=2x-5 to find the specified functions. (g x f)^-1
Wednesday, March 25, 2009 at 5:23pm by Jake

Science
How are the functions of a human cell different to the functions of a computer?
Sunday, July 6, 2008 at 3:47pm by Wanda

advance functions gr12 HELP ASAP
using rational functions solve (x+5)/(x-3)= (2x+7)/(x) thank you
Tuesday, April 2, 2013 at 11:28am by ALEX

maths functions - eh?
There are infinitely many functions that contain those 5 points. Is there something else?
Monday, April 9, 2012 at 7:06am by Steve

Math
use the functions f(x)=x+4 and g(x)=2x-5 to find the specified functions. (g X f)^-1 Would the answer be x+1 over 2?
Friday, February 20, 2009 at 1:22am by Dan

Medical Seekers
I am confused!! what are Functions ? Math functions?
Wednesday, September 14, 2011 at 5:40pm by Liz

advance functions gr12 (SORRY LAST ONE HAD A TYPO)
Using rational functions solve 7+ (1)/x = 1/(x-2)
Tuesday, April 2, 2013 at 11:43am by james

aadvanced functions HELP!
nope i don't, the school makes it manditory to take advanced functions before calculus
Wednesday, December 10, 2008 at 9:43pm by james

Domains of Functions
I dont understand how to do this problem, can you please help me? Given the functions f and g, determine the domain of f+g. 4. f(x)= 2x/(x-3) g(x)=3/(x+6)
Friday, September 14, 2007 at 9:43pm by Jules

Advanced Functions
Beginning with the function f(x) = (0.8)x, state what transformations were used on this to obtain the functions given below: g(x) = - (0.8)x -2 h(x) = ½ (0.8)x-2 k(x) = (0.8)-3x+9
Wednesday, January 12, 2011 at 4:05pm by Hailey

functions
pls. explain transformations on functions..
Wednesday, September 7, 2011 at 6:09pm by it'sme

cjs/210
Will someone please help me find a website to find the answer to the following questions? What are the various functions of a police agency? Compare how the functions of a police agency differ at the federal, state, and local levels. What would happen if the various functions ...
Saturday, July 7, 2012 at 9:09pm by Picaboo

Medical Seekers
Health Care providers use computers to perform many functions. Identify at least 4 of those functions!
Wednesday, September 14, 2011 at 5:40pm by Liz

calculus
give 3 examples of functions from everyday life that are described verbally.what can you say about the domain and range of each of your functions?
Monday, August 27, 2007 at 8:59pm by dani

Math - Functions
For the real valued functions f(x) - |x| - 4 and g(x) = sqrt(5 - x) Find the composition of f o g and the domain in interval notation. Can someone help me solve this?
Wednesday, May 2, 2007 at 2:23pm by UnstoppableMuffin

math test
Hi! I have a math test coming up tomorrow, and I need to prepare. but,i dont know how I should. . . any help would be great. she told us to: Be prepared to identify and explain functions, linear functions and proportional functions. Be prepared to use the new function notation...
Thursday, October 11, 2007 at 9:39pm by Keon

Functions
I have to find the domain and range for the composite of functions G(x)=sinx and h(x)=x^2-x+1. I'm confused about this and would really appreciate some help. Thanks.
Friday, September 24, 2010 at 3:58pm by Sarah

Math - Functions
Is it possible to graph linear functions like h(x) = 3x + 7 without doing a table of values? If it is, how? And I know the slope is 7, which means the y-intercept is (0,7).
Tuesday, December 18, 2007 at 1:42pm by Anonymous

math
for the given functions f and g, find the specified value of the following functions and state their domains: f(x)=x-5; g(x)=2x^2 a.(f+g)(3)= b.(f/g)(3)= Can someone help me figure this out? pleeeease????
Wednesday, March 27, 2013 at 1:45am by asia

math
You have defined three independent functions of x. Unless you define how the functions are related to one another, there is no "solution". An example would be to require that f(x) = g(x)
Thursday, March 18, 2010 at 9:42pm by drwls

algebra
What does the "o" between g and f mean? You have not said what g and f are. It is as simplified as it can get. You posted a similar question earlier with sepecified functions. Why are you posting it again without functions?
Tuesday, June 3, 2008 at 12:05am by drwls

Functions
See if any of the following tutorials on functions will help you: http://search.yahoo.com/search?fr=mcafee&p=functions+tutorials Sra
Friday, September 24, 2010 at 3:58pm by SraJMcGin

math
for the given functions f and g, find the specified value of the following functions and state the domain of each one. f(x)=2+3/x; g(x)=3/x a.(f-g)(2)= b.(f/g)(3)= how do I do this? I need help! it throws me off because of it being in fraction form.
Tuesday, March 26, 2013 at 1:35pm by marie

calculus
when working with composite functions, does fog=gof? how do i create two functions,f(x) and g(x) to show that this statement is either true or false.i need to expain my reasoning
Wednesday, October 19, 2011 at 6:20pm by ayotal

Graphing polynomial functions
the standard definition of (f+g)(x) = f(x) + g(x) so for your functions (f+g)(x) = (4x^2+9x+2) + (3x-2) simplify this and then follow the same technique for the other two questions, and let me know what you got
Saturday, October 20, 2007 at 1:49pm by Reiny

Math Grade 12 Advance Functions
I need help understanding equivalent trigonometric functions! Can someone PLEASE help me because the test is tommorrow and the internet or my textbook isn't helping at all!
Wednesday, December 19, 2012 at 12:31am by Buddy

Algebra
Right now we are learning about functions, relations, etc. and I am kind of confused. Here is what I have to answer: Determine whether each of the following is a function. Identify any relations that are not functions. Domain A set of avenues Correspondence An intersecting ...
Thursday, December 4, 2008 at 4:16pm by Celina

Math
1) Find three functions with unlimited domains and ranges. 2) Find two functions with restricted domains. 3) Find two functions with restricted ranges. Im confused as to how I can find the answer for these question, can you please explain along the steps.
Tuesday, July 19, 2011 at 11:34am by Kate

advance functions gr 12
Using rational functions solve 7+ 1(numerator) x (denominator) = 1 (numerator) x-2(demominator)
Tuesday, April 2, 2013 at 7:38am by james

calculus
I do not understand the { symbol at the beginning and why you have two functions of x, separated by a comma. Are you asking where the two functions intersect?
Sunday, January 31, 2010 at 2:23pm by drwls

Math advance functions gr 12
Using rational functions solve 7+ 1(numerator) x (denominator) = 1 (numerator) x-2(demominator)
Monday, April 1, 2013 at 6:15pm by alex

advance functions gr 12
Using rational functions solve x+5(numerator) x-3 (denominator) = 2x+7 (numerator) x(demominator)
Monday, April 1, 2013 at 6:13pm by Fadak

advance functions gr 12
Using rational functions solve x+5(numerator) x-3 (denominator) = 2x+7 (numerator) x(demominator)
Monday, April 1, 2013 at 6:11pm by Fadak

Medical Seekers
You're not naming FUNCTIONS. You're naming reasons for using computers. The question asks you to name four FUNCTIONS.
Wednesday, September 14, 2011 at 5:40pm by Writeacher

College Algebra! help!
Consider the following functions f(x)= (7x+8)/(x+3) and g(x)= (3x-8)/(7-x) (a) Find g(g(x)) (b) Find g(f(x)) (c) Determine whether the functions f and g are inverses of each other.
Tuesday, May 14, 2013 at 10:32pm by Rosie

Algebra 2
Are the functions f and g inverse functions if f(x)=5/3x+1 and g(x)=3(x-1)/5? I need all of the steps on how to determine this. I need this ASAP because this assignment is due tomorrow. Thanks
Wednesday, May 25, 2011 at 5:46pm by Brandon

Math
Can anyone tell me if these functions are odd, even, or neither. Also, what is the domain, range, x-intercept, and y-intercept of these functions? 1. f(x) = x^2 - 3x + 6 2. f(x) = cubicroot(x)
Tuesday, August 19, 2008 at 2:51am by Anthony

Physics
Calculus is a branch of mathematics that lets you solve equatiuns that involve the rate of change of functions, or the areas under curves. In the course of solving these equations, often many new functions are introduced.
Sunday, October 24, 2010 at 10:49pm by drwls

Functions
consider the functions g(x)=(4-x^2)^0.5 and h(x)=(x^2)-5. find the composite functions hog(x) and goh(x), if they exist, and state the domain and range of the composite functions. ------------------------------ ok, i have figured out that hog(x)=-1-X^2, but in my answer ...
Saturday, May 17, 2008 at 9:25am by Ann

advance functions gr 12
Using rational functions solve 3(numerator) 2x-4 (denominator) < (with a "-" underneath) 4 (numerator) x-2(demominator)
Monday, April 1, 2013 at 6:16pm by james

pre calculus
consider the functions f(x)=x^3-3 and g(x)=3 sqrt x+3: a. find f(g(x)) b. find g(f(x)) c. determine whether the functions f and g are inverses of each other. I really need help with these, I don't get it at all.
Wednesday, March 27, 2013 at 2:35pm by Staci

math
consider the functions f(x)=x^3-2 and g(x)=3 sqrt x+2: a. find f(g(x)) b. find g(f(x)) c. determine whether the functions f and g are inverse of each other. I have no clue where to even begin!
Saturday, March 23, 2013 at 10:34am by marie

Marketing
Discuss the universal functions of marketing and those functions that would apply to the products/services provided by a fictitious firm of your choosing.
Thursday, June 30, 2011 at 1:13am by Destiny

marketing
Discuss the universal functions of marketing and those functions that would apply to the products/services provided by a fictitious firm of your choosing.
Sunday, April 10, 2011 at 8:29pm by ak

algebra
In engineering, many of the transfer functions used in the analysis involve polynomial functions, and one has to analyze for the transfer function poles and zeroes.
Monday, May 19, 2008 at 3:13pm by bobpursley

statistical research
You posted this question more than once. Look for my answer elsewhere. Your data refers to FATAL accidents, not ANY accident. You will also find the problem worked out at: http://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.125800.html
Monday, September 8, 2008 at 9:41pm by drwls

Algebra
generally speaking, linear functions yield graphs that are straight lines, quadratic functions yield parabolas, .... If you give me a specific example ...
Tuesday, June 10, 2008 at 8:34pm by Reiny

Pre-Calculus
I transfered classes and they use graphing calculators. I've never used the graphing functions on mine. We were supposed to graph exponetial functions. Help?
Tuesday, November 13, 2007 at 8:18pm by Kellie

Statistics
If Y1 is a continuous random variable with a uniform distribution of (0,1) And Y2 is a continuous random variable with a uniform distribution of (0,Y1) Find the joint distribution density function of the two variables. Obviously, we know the marginal density functions of each ...
Sunday, November 15, 2009 at 10:28pm by Sean

Math
What are the similarities and differences between functions and linear equations? How do you graph functions on a coordinate plane? Is there an instance when a linear equation is not a function? Provide an example. Write a function for your classmates to graph. Consider ...
Monday, February 22, 2010 at 10:08am by AR

Math - Inverse Functions
Find the inverses of the following functions. y = 3(x - 1)^2, x >= 1 Work: x = 3(y - 1)^2 x = 3(y - 1)(y - 1) x = 3(y^2 - y - y + 1) x = 3y^2 - 6y + 3 And now what do I do!? Please explain and show me how to solve this inverse function! ... Thank you
Thursday, January 10, 2008 at 7:33pm by Anonymous

Algebra
What similarities and differences do you see between functions and linear equations? Are all linear equations functions? Is there an instance when a linear equation is not a function? Support your answer. Create an equation of a nonlinear function and provide two inputs for ...
Tuesday, August 5, 2008 at 10:09pm by D

Algebra
What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance when a linear equation is not a function? Support your answer. Create an equation of a linear function and provide two...
Tuesday, April 29, 2008 at 10:35am by Bobby

Trigonometry
Try reviewing your trig functions and post an attempt at some of these. We'll be happy to check your work. They're all pretty straightforward applications of the definitions of trig functions and Pythagorean Theorem.
Monday, March 5, 2012 at 1:06pm by Steve

pre-cal
for the given functions f & g find the specified value of the following functions and state the domain of each one. f(x)=2+6/x; (g)x 6/x a. (f-g)(3)= what is the domain of f-g? b. (f/g)(6)= what si the domain of f/g?
Saturday, October 13, 2012 at 8:29pm by ladybug

Algebra-Mathmate or Reiny or Dr. Bob, please check
correct, if you meant logb(x/y^2) F(x)=x^-1 is an inverse function, not an exponential function. Exponential functions are functions which can be written as f(x)=k e^ax for instance f(x)=3e^-5 or f(x)=12(1-e^(-4x) ) Can it be applied to g(x)=3 a^bx ? many people include this ...
Tuesday, December 14, 2010 at 11:49am by bobpursley

Education/Technology
Syllabi, class outlines, and discipline reports are practical applications of A) systems procedures. B) spreadsheet functions. C) database functions. D) word processing packages. I answer is C, it sounds where all three of these would be, is this correct?
Thursday, February 14, 2013 at 6:25pm by Lori

Maths
Here square-root is taken of the square of the product of two functions, and not the numerical values. To me it is justified to retain the signs of the original functions, namely sin(x) and cos(x) in the square-root. So if we evaluate the functions after taking square-root, ...
Tuesday, April 26, 2011 at 2:15pm by MathMate

music
what is the function on health insurance? What is the functions of disability insurance? whatis the functions of life insurance?
Sunday, September 19, 2010 at 6:38pm by cara

MAT 116 Algebera 1A
What similarities and differences do you see between functions and linear equations studied in Ch. 3? Are all linear equations functions? Is there an instance when a linear equation is not a function? Support your answer. Create an equation of a nonlinear function and provide ...
Sunday, May 25, 2008 at 3:36pm by shelly, k

Math
Use your knowledge of exponents to solve. a) 1/2^x=1/(x+2) b) 1/2^x>1/x^2 So I know that these functions are rational functions.. and I am trying to solve for x. I tried to solve them by I keep getting stuck with the exponent 2 which is the exponential function.. Help ...
Sunday, June 7, 2009 at 5:13pm by Halle

pre calc
Are you referring to the trigonometric functions? Namely sin, cos, tan, csc, sec, and cot that make up the first 6, and their inverses that make the other 6? It would be a good exercise to sketch each of the three basic functions (sin, cos, and tan) to familiarize yourself ...
Thursday, December 17, 2009 at 10:07pm by MathMate

graphing trig functions
for graphing basic trig functions such as y=2sinx or y=1/3cosx, how do you know what the points are to graph with out using a calculator?
Friday, May 18, 2012 at 12:31am by bkue

maths
f and g are functions defined as f(x)=5x+6/2x−2 and g(x)=4x/3x−2. What is the value of (f∘g)(4)? Note: f∘g denotes the composition of the 2 functions.
Saturday, March 2, 2013 at 3:58am by arun

Applied Calculus
Thanks to both of you, I won't forget how to do this next time! It makes much more sense now, and will be even easier on basic functions versus logarithmic/exponential functions. I think it was the natural log that tripped me a little bit there, but thank you for the ...
Friday, April 12, 2013 at 2:47pm by Jacob

Solving trig functions! urgent please help!
1.2sinxtanx + tanx-2sinx-1=0 2.6tan^2x-4sin^2x=1 Both functions is for 0<x<2pi thank you!
Tuesday, December 20, 2011 at 11:57pm by Sally

pre calc
Which three of the twelve basic functions are bounded( above and below)? Three of the tweleve basic functions are even. Which are they?
Thursday, December 17, 2009 at 10:07pm by kate

MATH _ GRAPHING RATIONAL FUNCTIONS
When graphing rational functions, how do I know which directions the graphs go? Example, for equation y = 9/x - x, how would you graph this? Also, why is the horizontal asymptote for f(x)= 2+x / x-7 is 1 instead of 0?
Sunday, October 14, 2007 at 11:30am by Anonymous

exponential functions in math
my daughter needs some help studying for a unit test using exponential functions in math
Tuesday, April 2, 2013 at 8:07pm by tiffny

Functions of f(x)
Given the two functions f(x)and g(x)‚0 for all x, explain how to find (f+g)(x),(f-g)(x),(f*g)(x), and (f€g)(x).Demonstrate examples for all: f(x)=(-x)/(6)-3(5+3x)/(8)-3x f(0)=-15/8
Sunday, January 1, 2012 at 7:04pm by JB

Math - Functions
to graph linear functions we need 2 points h(0)=3*0+7=7 first point (0,7) h(1)=3*1+7=10 second point (1,10)
Tuesday, December 18, 2007 at 1:42pm by moimk

Math-Exponential functions
For part 2, A(t)= $51,429 Q(t)=$54,142 C(t)= $55,116 For part 3, I meant when will each of the 3 investments grow to a value of $30,000. So, if I graphed the functions and look at the tables, would it help me determine the years?
Wednesday, October 24, 2012 at 8:19am by Melia

Biochemistry 1
1. Cholesterol is the most abundant steroid in the human body. Describe at least 3 important functions for cholesterol in the body, either direct functions or as a precursor for other substances.
Wednesday, April 20, 2011 at 8:36am by Mangetty

Math (Grade 12)
I need help with this problem (composite functions): If f(x) = 4x-3 and h(x )= 4x^2-21, find a function g such that f(g(x)) = h. I don't understand how we're supposed to combine the functions. Oh, and the answer is supposed to be g(x) = x^2 - (9/2). Thanks!
Wednesday, September 17, 2008 at 5:50pm by Lucy

math algebra 1
http://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.210586.html
Wednesday, October 5, 2011 at 10:01pm by Ms. Sue

math
functions f(x)=rad. x-9 write the intervals of the functions. How do I put the set of numbers in the form of intervals such as infinity. I solved it and got the answer as this: x < or = 9 (infinity,9] Please help me, I am stuck.
Wednesday, September 9, 2009 at 4:11am by Caroline

For the given functions f and g
For the given functions f and g, find the following and state the domain of each result. f(x)=sqrtx;g(x)=5x-9 (a) (f*g)(x)= What is the domain of f*g? (b) f/g(x)=
Saturday, April 20, 2013 at 1:35pm by Anonymous

functions
can you explain to me the transformations in sinusoidal functions especially the vertical compression/stretch and horizontal compression/stretch?
Wednesday, September 7, 2011 at 5:45pm by it'sme

algebra
What similarities and differences might there be between functions and linear equations? Are all linear equations functions?
Tuesday, August 18, 2009 at 7:42pm by maryk

Math - Periodics
How do you prove algebraically whether the following is periodic? f(x) = 3cos3x + 5sin4x The sum of two periodic functions is always periodic. In your case, note than when x is a multiple of 2 pi, both functions repeat the values of x = 0.
Wednesday, November 22, 2006 at 12:31pm by Steve

MAT101
Why is it important to be able to identify sets and set theory as related to business operations? What applications do you think functions have for the business world? Can functions be used to predict next year's profits, or how much your company will grow?
Sunday, July 24, 2011 at 5:08pm by Anonymous

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>

For Further Reading