# Given f(x)=x^2 + x + 4 and h(x)= 3x +2, evaluate the composite function. f [h(x)]

18,843 results
1. ## 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
2. ## 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
3. ## 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
4. ## algebra functions

can someone help me with this and explain it to me step by step so i can try to solve the remaining problems i have I have no idea of what I am supposed to do For each problem, construct two composite functions, . Evaluate each composite function for x=2.
5. ## Algebra

Given h(x)= 2x + 2 and f(x)=1/2 x + 4, evaluate the composite function. h[f(x)]
6. ## Algebra

Given f(x)=x^2 + x + 4 and h(x)= 3x +2, evaluate the composite function. f [h(x)]
7. ## 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
8. ## 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) =
9. ## Math

If f(x)= 3/x-4 and g(x)=2x, there is at least one value of x for which the composite function f(g(x)) cannot be evaluated. What is that value of x? For what value(s) of x is it impossible to evaluate g(f(x))? How do you figure this out?
10. ## calculus

Suppose that f(x)= square root of x and g(x)= 3x-4 and you are asked to evaluvate the composite function f(g(0)). What is the complication that occurs in trying to find that composite function value? For waht values of x is it possible to evauvate f(g(x))?
11. ## college algebra

Let f(x) = square root (x + 2) and g(x) = x^2 − 2. Determine the domain of the composite function. (Enter your answer using interval notation.) f compose f ______? & Find the composite function. (f compose f)(x) = _____?
12. ## Math - Domain of Composite function

Find the domain of the composite function f ₒ g . Please show all of your work. f(x) = √x; g(x) = 2x + 12
13. ## Math22

1. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y= (g(x), f(u)) = 2. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function
14. ## Algebra

Given f(x) = 2x − 1 and g(x) = 4x − 4, evaluate the composite function. g[f(x)]
15. ## math

how would this equation look: y=f(x+3) when y=f(x)= x^2 would it look like so.... x^2(x+3) adam, there's a slight problem with your notation in the expression y = f(x+3). Ordinarily we wouldn't put an expression in place of a variable, unless we were
16. ## Algebra

Let f(x) = 6/x-1 and g(x) = 1+3/x. Please fing the composite function. This is what i got so far. =f (1+3/x) =6/x-1 = =f (1+3/x) = 6/ [1+3/x - 1] How do I get the composite?
17. ## Domain of composite function

Find the domain of the composite function fog. f(x)=x^2+3;g(x)=sqrtx-4
18. ## college algebra

Let f(x) = 1/x − 2 and g(x) = 1/x − 3 . Determine the domain of the composite function. (Enter your answer using interval notation.) g compose f _____? & Find the composite function. (g compose f)(x) = _____?
19. ## Alg

Given f(x) = 2x^2 – 2 and g(x) = –2x + 4, find the following. (f − g)(2) AND Given f(x) = 2x − 2 and g(x) = 4x − 5, evaluate the composite function. f[g(2)]
20. ## Math - Domain of Composite

Find the domain of the composite function . Please show all of your work. f(x) = sqrt(x); g(x) = 2x + 12
21. ## Domain of composite function

Can you please help me with the following questions? Find the domain of the composite function f * g. 12. f(x)=x+3, g(x)=1/(x+7) 15. f(x)=7x+70, g(x)=x+2
22. ## College Algebra

A new store opens in New York. You received a coupon for \$5.00 off a pair of jeans j(x) = x-5. When you get to the store you learn that they are giving a 25% discount d(x)=.75x a) Write a composite function for the cost of the jeans if the 25% discount is
23. ## math

how to you find a composite function form of y in this problem? y = 1/[(x^2+3x-5)^3] I don't 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
24. ## 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
25. ## Precalculus

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
26. ## math

i need some serious help with limits in pre-calc. here are a few questions that i really do not understand. 1. Evaluate: lim (3x^3-2x^2+5) x--> -1 2. Evaluate: lim [ln(4x+1) x-->2 3. Evaluate: lim[cos(pi x/3)] x-->2 4. Evaluate: lim x^2+x-6/x^2-9
27. ## Algebra

When Let f (x) = x^2 – 3x + 8 and g(x) = x – 5 Find Find the composite function of (fºg)(x) and simplify Find (fºg)(2) Find the composite function (gºf)(x)
28. ## Calculus. I need help!

Write the composite function in the form f(g(x)). [Identify the inner function u=g(x) and the outer function y=f(u).] Then find the derivative dy/dx. y=√sinx √ is square root.

What is the domain of the composite function of f(x)=x^2 and g(x)=sin x when (g o f)(x) and (f o g)(x)?? when i joined the two function it looks the same to me..
30. ## MATH 115

evaluate 260/(4 to the third power +1)=4 ?which of the numbers 23,28,33,47 are composite =answer 28,33
31. ## algebra 2!

Given f(X)=the square root of x-2 and g(x_=6/x-3 (+1), write the composite function g(f(x)) and state its domain. Where is the resulting function defined?

assume the function f(x) and its inverse f-1(x) are both defined for xer. give a geometric interpretation of the composite function y=f(f-1(x))
33. ## math

suppose that oil spilled from a tanker and spreads in a circular pattern whose radius increases at a constant rate of .5 feet per second. -find a function f that models the radius of the oil spill as a function of time r=f(t) with t measured in seconds.
34. ## Math. Need help

1.if g=5 and k=1, evaluate 9+gk a. 13 b. 14 c. 15 d. 16 2.Evaluate a-b^2/b if a = 10 and b = 2. a. 1 b. 3 c. 8 d. 32 3.Evaluate 3xy^2 - y if x = 2 and y = 5. a. 26 b. 30 c. 120 d. 145 4.Evaluate 2d + d^2/3 if d = 6. a. 4 b. 12 c. 14 d. 24 5.Evaluate
35. ## Algebra

Find the domain of the composite function f◦g. Find the domain of the composite function f◦g. F(x)= 3/(x-3); g(x)= 2/x
36. ## CAL

Hi, im lost in theses three problems. Please help. Thank you so much!!! 1. Write the composite function in the form f(g(x)). [Identify the inner function u = g(x) and the outer function y = f(u).] y = 3 squareroot all 1 + 5x (g(x), f(u)) = ??????? Find the
37. ## Math

Topic: use function notation to evaluate equations. Evaluate the given equations for the indicated function values The questions I need help with; f(n)=5^n f(2)= f(3)= and f(n)=-n f(9)= f(-11)= Please, explain & help me :(
38. ## evaluation

let F(x) = x^2-2x if x<2 = x +1 if x>2 Evaluate f(-2)= f(3)= f(2)= Your question tells you which function fo use for x=-2 and x=3. You have not provided data on which function to use for x=2. You may omitted a bar under either an > or < sign in
39. ## Algebra

Let f(x) = x^2 – 3x + 8 and g(x) = x – 5 (a) Find the sum (f + g)(x) and simplify the results. (b) Find the composite function (f º g)(x) and simplify the results. (c) Find (f º g)(2) Show some work. (d) Find the composite function of (g º f)(x) and
40. ## 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,
41. ## Calculus

How do you take the limit of a composite piecewise function f(f(x))? Only the graph is given. lim f(f(x)) x->2 I figured the way to do it was to find the lim f(x) = C then find lim f(x). x->2 x-> C The simple questions on Khan academy's "Limits of
42. ## math

The function g(x)= x/453.6 converts x grams to pounds, as shown. Which composite function expresses the number of pounds that can be lifted by a balloon containing x ft3 of air?
43. ## Calculus

If f(x)=0.5x+3 then what is fofofof? (composite function)
44. ## algebra

composite function Find ( f o g) (-5) if f(x)= -2x-7 g(x) = -4x + 3
45. ## Math

Determine the composite function of F(x)=2^x and g(x)=3-x
46. ## Algebra

That is not what the ? is asking. The ? is asking about how to get the quotient function, not the composite as you solved for. Can you please show us how to get the quotient function solution? Thanks! I need to find the Quotient Function of the following:
47. ## math

Please need help on this Create an equation of a nonlinear function and provide two inputs for your classmates to evaluate. f(x)=10²+5 find f(2) and f(-2)
48. ## Math

What is the composite function of 3x^2-5x+6 and x^2+3x and what is its domain and range
49. ## algebra

find the domain of the composite function f of g. f(x)=x^2+9;g(x)=ãx-7
50. ## Math

Let f(x)= 2x^2, g(x)= 5x-6, and m(x)= 3x. Find and simplify the composite function g(m(f(x))).
51. ## maths

differentiate the following function using the composite rule h(x)=e^x(4-x)/6
52. ## Algebra

Let f(x) = 6/x-1 and g(x) = 1+3/x. Please find the composite function of (fog)(x)
53. ## Math

Determine the composite function of F(x)= sin x and g(x)=x
54. ## mat 116 algebra

function and function notation using the variable x and explain how we evaluate a function for a given x
55. ## algebra

you give me the answer but didn't really tell me how you did it so i can figure how to find the other numbers giving. also was just respneding that the problem was true as you said it made nosense. evaluate each function for the value specified. evaluate
56. ## Algebra

Two functions f and g are defined by f:x = 25 /(3x-2) g:x = x^2 Find the composite function
57. ## Math

Find the domain of the composite function, hog H(x)=√x , g(x)=-x+3
58. ## Criminal Justice/Report Writing

When a number of different witnesses provide descriptions of the suspect, it is considered: A. acceptable for speed and brevity to combine multiple descriptions into a composite description. B. good investigative tactics to combine multiple descriptions
59. ## Math quick question

"If f = {(-2,-1), (-1,2), (0,6), (1,3), (2,-1), (3,-5), (4,0), (5,8)} and g = {(-2,6), (-1,5), (0,-8), (1,3), (2,9), (3,9), (4,0), (5,-2)}, then find f composite g and g composite f."

Function f and g are defined by f:x→4-x and g:x→px^2+q where p and q are constants.Given that the composite function gf:x→x^2-8x+11,find the values of p and q.
61. ## college algebra

Let f(x) = x + 2 and g(x) = x2 − 2. Determine the domain of the composite function.
62. ## Algebra

Very confused, and in need of help! I got 10 problems like this...Thanks! Let f(x) = 6/x-1 and g(x)= 1+3/x Please find the composite function (fog)(x)
63. ## math

Find the domain of the composite function f of g. f(x)=3/x-6; g(x)= 1/x please help and show the work as well.

find the domain of the composite function of fog f(x)=x^2+8;g(x)ãx-5
65. ## Math

whats the composite function of these two equations and its domain and range f(x)=2^x and g(x)=3-x
66. ## calculus

Please can someone help. I need to use the composite rule to differentiate the function f(x)=(x^2-6x+23)^3/2. Any help would be greatly appreciated.
67. ## urgent urgent algebra

find the composite function fog f(X) = 1/X-5,g(x)-6/x question 2 find inverse, domain range and asymatotes of each function f(x)=3+e^4-x can some one help me please been stuck on these for 2 days need help solving thank you
68. ## pre calc

evaluate the trigonometric function of the given quadrantal angle. tan 1440° Evaluate without using ratios in reference triangle. sec 3π/4
69. ## math

find the domain of composite function fog f(x)=x/x-4; g(x)= -1/x please show work
70. ## alg

find the domain of the composite function f of g. f(x)=x^2+9;g(x)=sqrtx-7 please show work
71. ## Algaebra

Two functions f and g are defined by f:x = 25 /(3x-2) g:x = x^2 Find the composite function Please show all calculations, thank you!
72. ## Data Structure and Algorithms in Java

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. On the other hand, a composite number is a natural number greater than 1 that is not a prime number. For example, 5 is prime, as only 1 and 5 divide
73. ## Math (Composite Functions)

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.
74. ## college algebra--need help please!!

find the domain of the composite function fog. f(x)= 2/x-3; g(x)= 7/x please show all work.
75. ## MATH

hi i was just wondering if u could help me with this math problem. find dy/dx at the indicated point in two different ways (a)solve for y as a function of x and differentiate (b) differentiate implicity. 1. y^2=3x+1 (5, -4) how do u do this in two ways? im
76. ## maths

(a)(i)use the composite rule to differentiate the function f(x)=(x^2-6x+23)^(3/2). (ii)use the composite rule and your answer to part (a)(i) to show that the function g(x)=(x-2)/(x^2-6x+23)^(3/2) has derivative g'(x)=(5+9x-2x^2)/(x^2-6x+23)^(5/2).
77. ## college algebra--I really need help!!

Find the domain of the composite function FOG f(x)= 2/x-3; g(x)= 7/x please show work so I can undestand
78. ## Math

Find the input & output values of of the composite function c(t(m)). c(t) = 3t + 2 t(m) = m² - 1 where c is the cost and t is the hrs. and m is the # of minutes.
79. ## College Algebra

1. Find the domain of the composite function f o g. f(x)= 2/x-3; g(x)= 7/x 2. Solve the following exponential equation. Exact answers only. 2^1-9x = e^2x
80. ## science

2 lenses in contact of power 3D and -5D form a composite lens. An object is placed around a distance 50 cm from this composite lens,find the position of the image.
81. ## Algebra 2

Describe the end behavior of the graph of the polynomial function. Then evaluate the function for x=-4, -3, -2, -1, 0, 1, 2, 3, 4. Then graph the function. Number one: y=x^4-2x^2-x-1
82. ## MATH

We now have d dx [x5 + y8] = 5x4 + 8y7y' = d dx [9] = 0. Rearranging this, we get 8y7y' = ?????????? ------------------------------------- A table of values for f, g, f ', and g' is given. x f(x) g(x) f '(x) g'(x) 1 3 2 4 6 2 1 8 5 7 3 7 2 7 9 (a) If h(x)
83. ## Math

Q. The coach of a baseball team separates the players into groups for the drills. Each group has the same number of players. Is the total number of players prime or composite, explain. - A. They really don't say the number in the book, but i would have to
84. ## Algebra 2

Describe the end behavior of the graph of the polynomial function. Then evaluate the function for x=-4, -3, -2, -1, 0, 1, 2, 3, 4. Then graph the function.y=x^4-2x^2-x-1 and y=(x-3)(x+1)(x+2)
85. ## Plutonium decay

The amount A(gms) of radioactive plutonium remaining in a 20gm sample after t days is given by: A = 20 * (1/2)^t/140 At what rate is the plutonium decaying when t = 2 days. I think you need to find dA/dt and evaluate it at t=2 This should be a fairly
86. ## calculus

Evaluate h(x) for the following values of x? Consider the following function. h(x) = (tan(x)-x)/x^3 (a) Evaluate h(x) for the following values of x. (Give your answer correct to six decimal places.) x = a) 1 b) 0.5 c) 0.1 d) 0.05 e) 0.01 f) 0.005 what is
87. ## College Algebra

ok, so I need to come up with an answer for this question- A car traveling 65mph on the hwy gets 25 miles per gallon. Write the function that represents the distance d(t) in miles that the car travels in t hours. *Then, Write a function that represents the
88. ## algebra 2

decribe the end behavior of the graph of the polynomial function.then evaluate the function for x=-4,-3,-2...,4. equation is y=x^4-2x^2-x-1
89. ## Math

Tell whether the function is linear. Then evaluate the function for the given value of x. 6.) f(x)= 3-3x; f(2) 7.) f(x)= | x+2 | ; f(-4) 8.) f(x)= 2/x-2; f(6) 14.) f(x)=2/3x-5 ; f(9) Can someone help me with these^^. please write the QUESTION # SO I know
90. ## cal3

Using the chain rule, find the min and max points and their values of the composite function defined by: z= x^2 + y^2, x=sin(2t), y=cos(t)
91. ## Calculus

The price-demand and cost functions for the production of microwaves are given as p=235−x40 and C(x)=14000+70x, where x is the number of microwaves that can be sold at a price of p dollars per unit and C(x) is the total cost (in dollars) of producing
92. ## science

an isotropic epoxy resin (E=2GPa, ν=0.3) is reinforced by unidirectional glass fibers (Eglass=70GPa), aligned in the 2 direction, such that the fiber composite is transversely isotropic, with the 1-3 plane being the plane of isotropy. The elastic
93. ## math

which of these statements about prime and composite numbers is true? F)all prime numbers are odd. G)all prime numbers have three factors. H)all composite numbers are divisible by two. J)all composite numbers have more then two factors i thinks it (J) but
94. ## materials science

An isotropic epoxy resin (E=2GPa, ν=0.3) is reinforced by unidirectional glass fibers (Eglass=70GPa), aligned in the 2 direction, such that the fiber composite is transversely isotropic, with the 1-3 plane being the plane of isotropy. The elastic
95. ## Materials Science

An isotropic epoxy resin (E=2GPa, ν=0.3) is reinforced by unidirectional glass fibers (Eglass=70GPa), aligned in the 2 direction, such that the fiber composite is transversely isotropic, with the 1-3 plane being the plane of isotropy. The elastic
96. ## math

The number 5 is A) prime B) composite C) neither prime nor composite D) both prime and composite
97. ## mumford

decide whether the function is linear. then evaluate the function for the given value of x. f(x)=x-11:f(4)
98. ## Math

The direction is: Tell whether the function is linear. Then evaluate the function for the given value of x. 1.) f(x) = x+5 ; f(-2) Help please!!
99. ## Complex Algaebra, Plz Help!!

Good evening to all around the world. Need help with this question, however i must show my answers supported by the working out. Please help. This question is difficult, the one who solves it for me is my hero!!!! Q11) Two functions f and g are defined by