Questions LLC
Login
or
Sign Up
Ask a New Question
Composition of Functions
Page 4
Questions (293)
Find f X g , g X f , and f X f
f(x) = 3sqrt x-1 g(x) = x^3 + 1 For f(x) the 3 is little above the sqrt sign. My answers were:
1 answer
asked by
Hannah
407 views
Find two functions f and g such that (f X g)(x) = h(x). (There are many correct answers.)
h(x) = 4 / (5x + 2)^2 = My answers
2 answers
asked by
Hannah
1,119 views
Find (a) f X g , (b) g X f, and (c) f X f
f(x) = 3sqrt x-1 g(x) = x^3 + 1 For the f(x) the 3 is little above the sqrt sign. my
1 answer
asked by
Hannah
368 views
Find two functions f and g such that (f X g)(x) = h(x). ( There are many correct answers.
My answers were f(x) = 4/5x and g(x) =
1 answer
asked by
Hannah
380 views
Suppose h(x) = 3x and k(x) = log3(x). What is k(h(x))? What about h(k(x))? Start with a few numbers to convince yourself.
4 answers
asked by
Alyssa Pacheco
335 views
1)find f(g(x))
f(x) = x^2 + 2x g(x) = 1/x x^3 + 2x Is this correct? 2) solve: 3^x-1 = 10 ln 3/ ln 10 = .264 Is this correct? I am
1 answer
asked by
Hannah
398 views
If f(x) + log 2 (subscript 2) and g(x) = 2x (squared) + 14, determine the value of (f o g)(5)
3 answers
asked by
Sonia
347 views
when f(x)=x^2 and g(x)=x-3 what is f(g(x))and how do you do it?
1 answer
asked by
anonymous
270 views
when f(x)=x^2 and g(x)=x-3 what is f(g(x))and how do you do it?
1 answer
asked by
anonymous
224 views
The functions f and g are defined by:
f:x 3x+1 g:x 9-x Determine an expression for the function gf(x) 3(9-x)+1 27-3x+1
3 answers
asked by
Keisha
966 views
if g(x) = 2x+1 find g[g(x)]
1 answer
asked by
misty
249 views
Find (fog)(x)and (gof)(x)if f(x)=x-x^2 and g(x)= 2x+3.
Okay so I did the following: For f(of)g(x), take (2x+3) - (2x+3)^2 (insert
3 answers
asked by
Shawn
368 views
Find (fog)(x)and (gof)(x)if f(x)=x-x^2 and g(x)= 2x+3.
2 answers
asked by
Shawn
491 views
If f(x)=-4x^2 and g(x)=2/x, find [g*f](x).
answer I got: [g*f](x)=g(f(x)) =g(2/-4x)^2 Is this right?
3 answers
asked by
Mary
281 views
Given the functions:
f(x) = x^2 - 1, g(x) = x/x + 2 Why is the followig the equation of (g o f)(x) THe answer is x^2 - 1 / x^2 +
1 answer
asked by
Erika
388 views
If:
f(x)= radical x g(x)= x^2+1 What is the domain of f o g? I don't really understand how to answer this question.
3 answers
asked by
Crystal
398 views
I don't understand this question at all.
If f(x) = 4x - 3 and h(x) = 4x^2 - 21, find a function g such that f ͦ g = h.
1 answer
asked by
Lucy
341 views
If f(x)=x^2+1 and g(x)=1/x, find [f o g](x)
I need a little help in getting started. Please and Thank you.
2 answers
asked by
Anonymous
755 views
Can you check my calculations please
g maps points (0,0),(1,0),(0,1) to (6,-2),(6,-1),(5,-2) So, g(x) = (0 -1) .....(6)
1 answer
asked by
Anonymous
340 views
I have solved parts of the question, but I want to know if they are correct. Other parts I'm not sure how to do, like part b and
1 answer
asked by
Jane
1,070 views
If f(x) = x-3 g(x) = 2x+5 find fog and gof
3 answers
asked by
Spenser
431 views
How do I find f(g(x)) when there is a radical?
1 answer
asked by
Courtney
330 views
I have no idea how to do this question:
Write two functions f(x) and g(x) for which (f*g)(x)= 2x²+11x-6. Tell how you determined
4 answers
asked by
Sinead
353 views
Can you please check my answers?
For the given functions f and g, find the indicated composition. 5. f(x)=7x+9, g(x)=2x-1 I got
1 answer
asked by
Soly
390 views
If f(2x) = 2/2+x for all x > 0, then what is 2f(x)?
1 answer
asked by
Mystic
12 views
lET F(X) = 5X^2 - 5. wHAT IS F(F(X))
1 answer
asked by
Mystic
11 views
Suppose that the functions p and q are defined as follows.
p (x) = -x 2 q (x) = -2x +2 Find the following. (p×q)(-5) (q ×p)(-5)
3 answers
asked by
Melussa
2,636 views
If f(x)=x62 and g(x)= sqrt x-3 find fog and its domain.
4 answers
asked by
Jeromino
1,808 views
Hi there, I need help with composition of functions.
I need to find fog, gof, gog, and fof and their domains for the following:
4 answers
asked by
Lola
1,639 views
Suppose that the functions q and r are defined as follows:
q(x)=2x+1 r(x)=-2x^2+1 Find the following: (qOr)(4)= (rOq)(4)=
4 answers
asked by
Jen
1,362 views
Write as an algebraic expression in u.
Tan(cos^-1 u)
4 answers
asked by
ALISON
1,081 views
1.Let f(x)= x^2 - 5 and g(x)= 3x^2. Find g(f(x)).
2. Let f(x)= x^2 - 4 and g(x) -3x^2. Find f(g(x)).
5 answers
asked by
Neil
1,019 views
Express the function in the form f o g.
G(x)= The cube root of (x/1+x) So, (f 0 g)(x)= f(g(x))= f(cube root of x/1+x)= I don't
2 answers
asked by
Chelsea
914 views
what is g(f(x))? and f(g(x))?
if f(x)=(1)/(sqaure root3x) and g(x)=x^2-5 Thanks!
2 answers
asked by
Jack
865 views
f(x) = 2x-8 and g(x) = sqrt x-5 find (fog)(30)
2 answers
asked by
aurora
838 views
If f and g are functions defined for all real numbers, and f is an odd function,
then f ∘ g is also an odd function. Justify. I
3 answers
asked by
Alex
865 views
1. For f(x) = (1-x)/(1+x) and g(x) = x/(1-x), find the simplified form for f[g(x)] and state the domain?
2. Evaluate lim x -->1
2 answers
asked by
Dante
834 views
Please diregard the other one the square root sign did not come out right.
find the complete function f o g f(x)=x^2+1;g(x)=
4 answers
asked by
ladybug
411 views
(a) In order to express the function y = 1010 x + 4, as a composition of two functions the outer of which is an exponential
2 answers
asked by
Alicia
787 views
If f(x)=sin(x) and g(x)=x^2-x+1, find the domain of f(g(x)) and g(f(x)).
I was able to determine that: f(g(x))= sin(x^2-x+1) and
2 answers
asked by
Sarah
735 views
1.) f(x) = 3x - 7 and g(x) = -2x - 6. Find (f ° g)(4)
2.) What is the inverse of the given relation? y = 3x + 12 3.) Rewrite ^3
4 answers
asked by
|-/
718 views
f(x) = 2x+4 and g(x)= x2-1
find (f * g)(4) find (g * f)(x) find f^(-1)(x)
1 answer
asked by
serena
677 views
If f(x) and g(x) are two functions defined by f(x) = �ã(x + 1), g(x) = | x - 1 |, then what is the value of f(g(9))?
3 answers
asked by
Sean
696 views
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
1 answer
asked by
Julia
686 views
consider the function f(x)=1-ln(x). Write the expression of (fof)(x) and find the domain of fof.
2 answers
asked by
rainbow
610 views
1. For f(x) = (1-x)/(1+x) and g(x) = x/(1-x), find the simplified form for f[g(x)] and state the domain?
2. Evaluate lim x -->1
1 answer
asked by
Dante
563 views
let f: ℤ→ ℤ and g: ℤ → ℤ be functions defined by f(x) = 3x + 1 and g(x) = |_x/2_|.
(a) Is f o g one-to-one? prove (b)
3 answers
asked by
Anonymous
561 views
Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1<=T<=20
where T is the temperature
2 answers
asked by
Anonymous
555 views
Give am example of a function f.N N with the property that there exists a function g. N N such that the composition got is the
2 answers
asked by
geeta
539 views
Let f(x)= 2x^2, g(x)= 5x-6, and m(x)= 3x. Find and simplify the composite function g(m(f(x))).
3 answers
asked by
Ariel
514 views
Pages
1
2
3
4
5
6
Parent Categories (19)
Algebra
Algebraic Functions
Calculus or Algebra
Domain and Range
Equations
Exponential Functions
Functions
Functions and Composition
Functions and Equations
Functions and Graphs
Functions and Relations
Functions and Their Inverses
Functions, Sub-sub-category: Composition of Functions
Inverse Trigonometric Functions
Linear Transformations
Math Equations or Algebraic Functions
Mathematical Operations
Operations and Functions
Trigonometry