Wednesday
April 16, 2014

Search: Functions

Number of results: 3,811

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 be made...
Thursday, September 13, 2007 at 11:09am by Kelly

advanced functions/precalculus
1. The function f(x) = (2x + 3)^7 is the composition of two functions, g(x) and h(x). Find at least two different pairs of functions g(x) and h(x) such that f(x) = g(h(x)). 2. Give an example of two functions that satisfy the following conditions: - one has 2 zeros - one has ...
Wednesday, January 15, 2014 at 2:33am by Diane

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

algebra functions
construct two composite functions, Evaluate each composite function for x=2. i do not fully understand functions yet can someone explain and show me what to do step by step f(x)=x+1 g(x)=x-2
Wednesday, October 16, 2013 at 9:21pm by tani

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

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
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

functions
how can you possibly have an assignment working with something you have not studied? If you have f(x) and g(x) as functions, then there are two simple composite functions: f(g(x)) and g(f(x)) Given your functions, f(g) = g+1 = (x^2+2x+1)+1 x^2+2x+2 g(f) = f^2+2f+1 = (x+1)^2 + ...
Friday, October 18, 2013 at 5:17pm by Steve

Calculus
Find the sum and difference functions f + g and f g for the functions given. f(x) = 2x + 6 and g(x) = 2x - 6 f(x) = x^2 - x and g(x) = -3x + 1 f(x) = 3x^3 - 4 and g(x) = -x^2 + 3 State the domain and range for the sum and difference functions in #3. Find the product and the ...
Monday, September 2, 2013 at 4:08pm by Bee

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

functions
For each problem, construct two composite functions, . Evaluate each composite function for x=2 ok i have not dealt with composite functions can I please get some help with this as I have 20 questions to do can someone show me step by step on how to properly solve this ...
Friday, October 18, 2013 at 5:17pm by Johnathan

Calculus
Math questions, please help me? :(? Find the composite functions f o g and g o f for the given functions. f(x) = 10^x and g(x) = log x State the domain and range for each: f(x) = 4x + 1 and g(x) = x^2 f(x) = sin x and g(x) = x^2 - x + 1 f(x) = 10^x and g(x) = log x If f = {(-2...
Monday, September 2, 2013 at 4:08pm by Britt

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

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

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

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

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

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

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

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

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

advanced functions
Solve for x, x ϵ R Cx3 + 25x 0
Friday, July 5, 2013 at 2:08pm by FUNCTIONS

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

Body structures & Functions
See "functions of the liver" at (Broken Link Removed) It's interesting reading.
Saturday, August 9, 2008 at 8:15pm by drwls

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

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

Check my CALCULUS answers please!
Any short explanation for things I got wrong would be great, too, if possible! Thanks in advanced! :) 8. Which of the following functions grows the fastest? ***b(t)=t^4-3t+9 f(t)=2^t-t^3 h(t)=5^t+t^5 c(t)=sqrt(t^2-5t) d(t)=(1.1)^t 9. Which of the following functions grows the ...
Monday, October 7, 2013 at 12:08pm by Samantha

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) = (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

advanced functions
Solve for x, x ϵ R a) (x + 1)(x 2)(x 4)2 > 0
Friday, July 5, 2013 at 2:07pm by FUNCTIONS

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

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

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 8:56pm by dani

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

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

algebra functions
(f+g) just means to add f and g. Since they're both functions of x, that's why the unfamiliar notation. (f+g)(x) = f(x)+g(x) = (3x+1)+(x+2) = 4x+3 so, (f+g)(1) = 4(1)+3 = 7 or, you could evaluate f(1)+g(1) = 4+3
Sunday, October 20, 2013 at 3:42pm by Steve

algebra functions
(f+g) just means to add f and g. Since they're both functions of x, that's why the unfamiliar notation. (f+g)(x) = f(x)+g(x) = (3x+1)+(x+2) = 4x+3 so, (f+g)(1) = 4(1)+3 = 7 or, you could evaluate f(1)+g(1) = 4+3
Sunday, October 20, 2013 at 5:32pm by Steve

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

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

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
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

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

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

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

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

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

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

Functions
Hmmm. Wolframalpha says this is a complicated mix of Bessel Functions. I typed in rsolve [{a[n]==n*a[n-1]+a[n-2],a[0]=24,a[1]=42},a[n],n] Sorry, my knowledge of recursive relations is a bit sparse.
Wednesday, July 3, 2013 at 2:24pm by Steve

coleje
domain? all real numbers. Now on the specifics of the INT function, different computatational functions treats floor and ceiling (and integer) functions differently.
Friday, July 19, 2013 at 3:07pm by bobpursley

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

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

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

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

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

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

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

trig
works for me. the co-functions are the functions of the complementary angles. So, by definition, tan(π/2-x) = cot(x). Your proof works as well, though.
Sunday, July 14, 2013 at 8:48pm by Steve

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

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

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

Trigonometry
Thank you for your help. It's just that I didn't take functions in grade 11 and now I'm taking Advanced Functions in grade 12 and I'm difficulty with. Thanks for your help though.
Sunday, November 24, 2013 at 4:10pm by Jessy

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

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

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

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

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

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

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

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

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

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

math-advanced functions
on my exam review, i have this question for composition of functions Given f(x)=3x^2+x-1, g(x)=2cos(x), determine the values of x when f(g(x))=1 for 0≤x≤2π.
Thursday, January 23, 2014 at 9:32am by Liz

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 10:07am by AR

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

economics
Let U(x; y) = 5x:8y:2 showing all derivation work, find: (a) the Marshallian demand functions for x and y (b) the Indirect Utility Function (c) the compensated demand functions xc and yc
Friday, February 21, 2014 at 8:00pm 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

programming c#
Looks like the first class performs all of the functions, and the second class calls of the functions to make sure they are performing properly. Do you have any specific questions about this?
Wednesday, October 2, 2013 at 10:23am by Leo

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 please
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

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