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October 22, 2014

Search: Math - Combining Functions

Number of results: 96,009

combining functions
Given: f(x)=2x^2-x+1 g(x)=2 sin x h(x)=3^x Determine: a) f(g(x)) b) (h^-1 o f)(x) c) g(f(h(x)))) Please show steps, thank you very much.
May 16, 2012 by Rei

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.
October 15, 2007 by Lena

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...
September 13, 2007 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 ...
January 15, 2014 by Diane

Darton College
Explain how the process of combining radicals through addition and subtraction is similar to combining polynomials. What make two radicals like radicals
December 21, 2012 by Standford

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 ...
September 2, 2013 by Bee

physics
need help combining these vectors (if you can please show me a step by step guide of combining these two. Thank you 56m at 296 degrees, then 83m 152 degrees
March 3, 2010 by jake

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...
October 11, 2007 by Keon

Chemistry
Compare and contrast two elements combining to form a compound and two compounds combining to form a mixture.
September 7, 2010 by Jennifer

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...
September 2, 2013 by Britt

math
2x+4(1-x)=11+5x 2x+4-4x=11+5x 6x+4=11+5x 6x=7+5x x=7 i think this is it x = 7 is not correct. Here's how the problem should work out: Use the distributive property to get rid of the parentheses and you will end up with this: 2x + 4 - 4x = 11 + 5x Combining like terms: -2x + 4...
April 30, 2007 by Sigrid

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?
February 20, 2009 by Dan

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?
May 2, 2007 by UnstoppableMuffin

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).
December 18, 2007 by Anonymous

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

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????
March 27, 2013 by asia

Math - Combining Functions
Kathy has a small business selling apple cider at the farmers' market. She pays $35 per day to rent her space at the market, and each cup of cider costs her $1. She sells the cider for $2.50 per cup and brings enough cider and cups to sell a maximum of 200 cups in a day. Write...
April 30, 2012 by Labz

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.
July 29, 2009 by Alicia

exponential functions in math
my daughter needs some help studying for a unit test using exponential functions in math
April 2, 2013 by tiffny

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!
December 19, 2012 by Buddy

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.
March 26, 2013 by marie

Math
How to write a math story that includes 4 examples... Possible math topics include: introduction to functions investigating quadratics quadratics highs & lows exponential functions fiancial applications of exponential function acute triangle trigonometry I'm taken MCF3M math ...
January 13, 2011 by Tarkan

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
January 19, 2013 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 ...
May 2, 2011 by Debra

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 ...
October 7, 2013 by Samantha

Geography
10. How was the Great Leap Forward supposed to make China's production greater than that of the Western nations? a. by replacing private ownership of farms with common ownership b. by combining China's collectives into self-sufficient People's Communes c. by smashing the old ...
March 22, 2010 by y912f

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 ...
March 5, 2011 by Paula

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)
August 19, 2008 by Anthony

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
October 16, 2013 by tani

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
January 10, 2008 by Anonymous

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!
September 17, 2008 by Lucy

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!
March 23, 2013 by marie

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

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.
January 23, 2014 by Liz

math
combining like terms 1.) 10x+6y-5x and 2.) 9x^2+10+4x^2+7
August 10, 2013 by tori

math
Simplify by combining like terms. 9m + 5m - 4
April 29, 2014 by Anonymous

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...
September 26, 2012 by Shreya

math
simplify the expression by combining like terms r + 2s + 3r
November 3, 2009 by Mike

math
simplify by combining like terms. then solve. 8m+3m=55 x+2x=30
August 30, 2011 by stephanie

math and desperate
What similarities and differences are there between functions and linear equations? Are all linear equations functions? Is their an instance when a linear equation is not a function support your answer. Im not good at math please help.
January 25, 2009 by tera

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.
July 19, 2011 by Kate

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
June 7, 2009 by Halle

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 ...
February 22, 2010 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 ...
February 22, 2010 by AR

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.
November 22, 2006 by Steve

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?
October 14, 2007 by Anonymous

math
what does linear an nonlinear functions mean? I need help asap please i am begging you because i am a new student at this school and i don't get what the difference is between linear and nonlinear functions.
May 2, 2014 by jayla

Math
I'm not understanding this. How do you solve (^2 meaning squared) (2x^2 - 7x -8)-(8x^2 + 4x +9) ... by combining like terms. ahhh! help!
January 16, 2008 by Ashley

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.
September 9, 2009 by Caroline

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 ...
October 18, 2013 by Johnathan

health
Is there anyone that could possibly help me understand medical terminology? My college course has transitioned to an all online setting with in-class closed book exams. I'm having a hard time understanding the difference in word roots and combining forms. For instance: she ...
April 11, 2011 by Becky

math- periodic
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.
November 22, 2006 by stevie!

Math
For each pair of functions give a characteristic that the two functions have in common and a characteristic that distinguishes them. a) f(x)=1/x and g(x)=sinx b) f(x)=x and g(x)=[x] c) f(x)=2^x and g(x)=sinx
February 14, 2014 by Jennifer

math
which statement about linear functions are true A)linear functions grow by equal factors over equal intervals B)linear functions grow by equal differences over equal intervals C)linear functions grow by equal differences over unequal intervals D)linear functions grow by ...
May 18, 2014 by b8

math
Can someone show me the steps necessary to simplify the expression by combining like terms? 1/4(6b+2) 2/3(3b-2)
May 17, 2010 by Rick

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...
July 8, 2012 by Picaboo

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?
August 17, 2010 by Brenda

Math (Pre-Algebra)
How do you simplify this equation by combining like terms or using the distributive property?: -5y+8-y+11-2+y
May 9, 2011 by Handley(:

Math 8R - help!!!!!!!
Combining Like Terms 1. 3a + a = 16 2. 9x - 3x = 30 3. 5w + 3w = 24 I really need help with this, can you at least do one or two for me so I can do the other problem.
October 13, 2012 by Laruen

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

advance functions gr12 HELP ASAP
Using rational functions solve 7+ (1)/x = 1/(x-2) thank you
April 2, 2013 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)
September 14, 2007 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) = (0.8)x-2 k(x) = (0.8)-3x+9
January 12, 2011 by Hailey

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

Science
How are the functions of a human cell different to the functions of a computer?
July 6, 2008 by Wanda

advance functions gr12
Using rational functions solve (7+ 1)/x = 1/(x-2)
April 2, 2013 by james

Chem
There are three questions in particular that I am having problems with. Here they are 1. A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std) for this standard ...
January 19, 2009 by Mark

math
how to you find a composite function form of y in this problem? y = 1/[(x^2+3x-5)^3] I dont understand your question. Composite functions require two functions. You listed one. Please amplify. That's what I thought at first. But I am thinking I might need to substitute y in ...
June 19, 2006 by greg

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?
August 27, 2007 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?
August 27, 2007 by dani

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

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!
December 20, 2011 by Sally

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 ...
July 7, 2012 by Picaboo

math
The weekly demand and supply functions for Sportsman 5 X 7 tents are given by the following respective functions where p is measured in dollars and x is measured in units of a hundred. Find the equilibrium quantity. Find the equilibrium price.
September 21, 2012 by Anastasia

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.
September 24, 2010 by Sarah

Math
All rational functions can be expressed as f(x) = p(x)/q(x), where p and q are __________ functions and q(x) ≠ 0. A. horizontal asymptotes B. polynomial C. vertical asymptotes D. slant asymptotes Is the answer D. vertical asymptotes?
October 19, 2014 by Sarah

Math
Analyzing Quadratic Functions describe how the graphs of the following functions relate to the graph of y=x^2. Could someone please tell me what that means? I sort of understand it, but I want to get it perfectly straight. y = (x+5)^2 Since it's in the brackets, that would ...
November 24, 2011 by -Untamed-

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).
January 16, 2008 by Amy

functions
pls. explain transformations on functions..
September 7, 2011 by it'sme

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 ...
May 17, 2008 by Ann

math
The application of one function followed by the application of a second function to the result of the first as in F^-1(f(x)) is called composition of functions. The two functions need not be inverse of each other. In a diagram, the output of one function is f(x) is used as the...
February 10, 2013 by Julia

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.
April 10, 2013 by Kayleigh

Math puzzle
Make the number 500 by mathematically combining eight 4's. You may use addition, subtraction, multiplication and division. You may also "push" them together.(44)
March 29, 2013 by Meg

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
October 19, 2011 by ayotal

math-calculus
i did this question long time ago and i realize today that at back of book answer be different. write the following absolute value functions as piecewise functions. g(x) = |x+1| positive be x+1 negative be -(x+1) but in back of book it says negative one be -x-1 if x is less ...
January 16, 2012 by Shreya

math
Graph x = y^2-6y+11 a. In function mode using two functions b. In parametric mode I already figured out how to graph it in functions, which is +/-sqrt(x-2)+3. The graph is a sideways parabola in the first quadrant. I have no idea on how to come up with parametric equations for...
August 9, 2009 by Nikki

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 ...
December 4, 2008 by Celina

Math (repost)
Graph x = y^2-6y+11 a. In function mode using two functions b. In parametric mode I already figured out how to graph it in functions, which is +/-sqrt(x-2)+3. The graph is a sideways parabola in the first quadrant opening to the right. I have no idea on how to come up with ...
August 9, 2009 by Nikki

math. can someone do this for me please....
* Consider the functions f(x)=1/x +4 and g(x)=2/x. Graph f and g on the same grid. a)Determine the points of intersection of the two functions. b)Show where f(x)<g(x). c)Solve the equation 1/x +4=2/x to check your answer to part a). d)Solve the inequality 1/x +4<2/x to ...
January 6, 2014 by *ajay*

Math
Redo problem 13 from section 1.8 of your textbook (page 62), but use the functions in the questions below rather than the functions in your textbook: (a) In order to express the function y = 1311 x − 4, as a composition of two functions the outer of which is an ...
June 27, 2014 by Anonymous

math
is this correct when combining like terms 17a^2b-16ab^2+3a^3+4ba^3-b^2a= 17a^2-17ab^2+7ba^3
March 31, 2009 by ferrer

Math (Proportions)
Simplify each expression if possible by combining like terms. If not possible, write simplified 2x+9x I don't understand what to do
November 21, 2013 by Jerald

composite functions
f(x)=2x-4, g(x)=x squared + 5x What is F o G and Domain Okay, we are given f and g as functions of x. To compose a function means to use one function, g in this case, as the argument of the other, f in this case. Thus we want f o g = f(g(x)) With f(x) = 2x-4 and g(x) = x^2 + ...
July 6, 2006 by Anonymous

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 ...
November 15, 2009 by Sean

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
May 25, 2011 by Brandon

algebra functions
can someone please check my answer For each problem, construct two composite functions, . Evaluate each composite function for x=2 f(x)=3x g(x)=1/x f(g)*(x)=3x(1)/x x=2 3x(1)/x=6 g(f)*(x)=(3x)=2*3x=6 x=2 3*(2)=6*6=36
October 17, 2013 by tani

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.
May 14, 2013 by Rosie

algebra functions check my answer
For each problem, construct two composite functions, . Evaluate each composite function for x=2 f(x)=3x g(x)=1/x f(g)*(x)=3x(1)/x x=2 3x(1)/x=6 g(f)*(x)=(3x)=2*3x=6 x=2 3*(2)=6*6=36
October 17, 2013 by tani

Math 8R - HELP!
Simplifying Algebraic Expression Using the Distributive Property & Combining Like Terms Solve: 4 (g +7) = 64 4g + 4(4) = 64 4g + 16 = 64 I'm getting a bit confused and struggling a lot in this problem. Please help me!
October 15, 2012 by Laruen

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.
April 10, 2011 by ak

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