Tuesday

September 16, 2014

September 16, 2014

Number of results: 4,464

**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*

**check my precalc**

#1. Make up a polynomial that has the following characteristics: crosses the x axis at 1 and 4, touches the x axis at 0 ad 2. and is above the xaxis between 0 and 2. I did (x+1)(x-4)(x^2)(x-2)^2 #2. its an illustration but one of the queestino says what is the minimum degree ...
*October 7, 2012 by Rebekah *

**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*

**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 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*

**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*

**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-helpppppp**

1)when a certain polynomial is divided by x - 3, the quotient is x^2+2x-5 and the remainder is -3. what is the polynomial 2) Find each quotient and remainder. Assume the divisor is not equal to zero. a)(2x^2+29x-x^3-40)/(-3+x) b)(6+7x-11x^2-2x^3)/(x+9) c)(x^3-2x^2+4x+150/(x^2+...
*April 28, 2012 by sarah*

**math algebra 2**

polynomial complete the table for -7x^4+8x^3-3x^2+5x-9 not sure if this is correct sorry I did not post my answer to check to see if they were correct. term -7x^4 8x^3 3x^2 5x -9 coefficient -4 8 3 5 8 degree of term 4 3 2 1 0 degree of polynomial 7? -7x^4
*April 16, 2011 by Anonymous*

**Math--help help help**

1)when a certain polynomial is divided by x - 3, the quotient is x^2+2x-5 and the remainder is -3. what is the polynomial 2) Find each quotient and remainder. Assume the divisor is not equal to zero. a)(2x^2+29x-x^3-40)/(-3+x) b)(6+7x-11x^2-2x^3)/(x+9) c)(x^3-2x^2+4x+150/(x^2+...
*April 28, 2012 by sarah*

**eng02**

Assignment: Incorporating Statistics, Graphs, and Illustrations Resources: Incorporating Statistics, Graphs, and Illustrations; Creating Tables tutorial; Axia College Writing Resources Web Site; and Axia Colleges Writing Style Handbook Due Date: Day 7 [...
*May 25, 2009 by carol*

**Polynomial Function**

Could you please check my answers? Find an nth degree polynomial function with real coefficients satisfying the given conditions. 1. n=3; 3 and i are zeros; f(2)=20 -I got: f(x)=-4^3+12x^2-4x+12 3.n=3;4 and i zeros;f(-3)=60 -I got:f(x)=6x^3+24x^2+6x+24
*October 9, 2007 by Soly*

**Form a polynomial f(x) from coefficient and it's 0**

Form a polynomial, f(x), with real coefficients having the given degree and zeros. Degree: 4; zeros: 6i and 7i I completely don't know what to do with this problem... if someone can solve and give a good explanation, I'd appreciate it. Thanks.
*May 30, 2011 by Armando*

**math**

Each divisor was divided into another polynomial , resulting in the given quotient and remainder. Find the other polynomial the dividend Divisor: x+10,quotient,x^2-6x+10,remainder :-1 I am so confused help is appreciated
*September 28, 2012 by jezebel*

**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*

**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*

**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.
*June 30, 2011 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!
*March 23, 2013 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.
*March 27, 2013 by Staci*

**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
*February 21, 2014 by Anonymous*

**find the polynomial**

degree 4 zeros i & (1+i) constant term 12 How do I start this problem. Thanks A degree four polynomial will have the form (x^4 +... x + c), where c is a constant. You will need to generate an equation that has the above form, using c=12. Solve for the roots [i & (1+i)].
*February 1, 2007 by Jen*

**algebra**

Use the discriminant to find out whether this quadratic polynomial can be factored. Factor the polynomial if it is not prime. This polnomial is prime, so I cannot factor it. I just need help with the discriminant part. Thaks in advance for your help. 4x^2-27x+45
*September 3, 2010 by Trina*

**Math advance functions gr 12**

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

**advance functions gr 12**

Using rational functions solve 3(numerator) 2x-4 (denominator) < (with a "-" underneath) 4 (numerator) x-2(demominator)
*April 1, 2013 by james*

**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?
*November 13, 2007 by Kellie*

**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*

**polynomials**

i also have theses to solve Factor the polynomial x2 + 5x + 6 completely Solve the given equation by using the quadratic formula. x2 7x 4 = 0 What value is under the square root (or radical) in your answer? (Note: You are asked to identify only the value under the radical...
*May 15, 2007 by mike*

**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 (fg)(x).Demonstrate examples for all: f(x)=(-x)/(6)-3(5+3x)/(8)-3x f(0)=-15/8
*January 1, 2012 by JB*

**advance functions gr 12**

Using rational functions solve x+5(numerator) x-3 (denominator) = 2x+7 (numerator) x(demominator)
*April 1, 2013 by Fadak*

**advance functions gr 12**

Using rational functions solve x+5(numerator) x-3 (denominator) = 2x+7 (numerator) x(demominator)
*April 1, 2013 by Fadak*

**advance functions gr 12**

Using rational functions solve 7+ 1(numerator) x (denominator) = 1 (numerator) x-2(demominator)
*April 2, 2013 by james*

**Calculus**

I'm doing graphs/domain/range of basic functions. I have three questions: How do I find the domain and range of a function? (more preferably range...I'm okay but shaky on domain) Ex: f(x)=1/(x^2) Also, how do you write the domain and range with notation? Like when you use ...
*September 1, 2009 by Anonymous*

**College Math**

Use the functions to find the stopping distance on wet pavement and dry pavement for a car traveling at 55 MPH.Identify the graph for each stopping distance.Explain how well your answers to item 1 model the actual stopping distances shown in Figure 3.41 on Page 384.Determine ...
*March 9, 2011 by Anonymous*

**Math help polynomial**

multiply the following polynomial -3x(y^2+2y^2) answer choices 3xy^2-6xy^2' -3xy^2-gxy^2 -3xy^2+5y^2 -9xy^2 The last one was the answer. Can you tell me how the answer was solved? Thanks!
*February 15, 2014 by Alex*

**math**

Use the exact values of the sin, cos and tan of pi/3 and pi/6, and the symmetry of the graphs of sin, cos and tan, to find the exact values of si -pi/6, cos 5/3pi and tan 4pi/3. I have found the answers to the first three using the special tables sin(/6) = cos(/3) = 1/2 ...
*August 24, 2011 by jenny*

**algebra**

Evaluate the polynomial when x =4 Evaluate the polynomial when x = 4: x3 - 5x2 + x
*June 10, 2014 by Lisa*

**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*

**Function compostions**

Sorry I had to repost, I left somethings out. 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 Find (f *g)(x) I got 14x+2 For the given functions f and g, find the indicated composition. 8. f(x)=-5x+3, g(...
*September 15, 2007 by Soly*

**Mat101**

5. Which of the following are functions? The last two problems, i.e., b & c, are multi part relations consider all parts when determining whether or not these relations are functions. Explain your reasoning for a, b, and c. a. f(x) = x + 3 b. f(x) = 73 if x>2 otherwise f(x...
*November 30, 2010 by Samantha Joseph*

**word problems in algebra**

A square has sides of length 3x - 2 cm. Express the area of the square as a polynomial. would i write this as 3x-2cm^4 because there are foru sides sorry post went before i was done polynominial confuse me after thinking about what polynomial is suppose to represent one or ...
*April 22, 2007 by TOMMY*

**Calculus**

A cubic polynomial function f is defined by f(x) = 4x^3 + ax^2 + bx + k? A cubic polynomial function f is defined by: f(x) = 4x^3 + ax^2 + bx + k where a, b, and k are constants. The function f has a local minimum at x= -1, and the graph of f has a point of inflection at x= -2...
*February 8, 2011 by Leanna*

**Calculus**

A cubic polynomial function f is defined by f(x) = 4x^3 + ax^2 + bx + k? A cubic polynomial function f is defined by: f(x) = 4x^3 + ax^2 + bx + k where a, b, and k are constants. The function f has a local minimum at x= -1, and the graph of f has a point of inflection at x= -2...
*February 9, 2011 by Leanna*

**Math Help? Check my answers.**

1. Name the coefficients in the polynomial. 4x^2 + 3x - 3 4, -3, -3 4, 3, 4, 3, 3, -4, -3, 2. How many terms are in the following polynomial? 6x^4 + 3x^3 - 2x^2 + 15x - 14 5 4 3 2 3. In the expression -7x - 5x^2 + 5, what is the coefficient of x? 7 5 -5 -7 4. Write the ...
*May 19, 2014 by Lydia*

**Algebra**

Swimming space. The length of a rectangular swimming pool is 2x - 1 meters, and the width is x + 2 meters. Write a polynomial A(x) that represents the area. Find A(5). I have the polynomial being: A(x)=2x^2+3x If I find A(5): 2*5^2+3*5 2*25+15 65 meters. Is this right?
*October 27, 2008 by mchawk*

**College Algebra**

I need to divide this polynomial synthetically. I think I did it right, but can someone confirm if my answer is right or wrong? Polynomial: x^4 - x^3 + x^2 - x + 2 Divisor: x-2 My answer: x^3 + x^2 + 3x + 5 + 12 (remainder) ---- x-2 ( the x-2 in my answer is meant to go under ...
*April 18, 2010 by Sarah*

**Math Problem2**

List all possible rational zeros for the polynomial below. Find all real zeros of the polynomial below and factor completely. Please show all of your work. f(x) = 5x^4 x^3 - 33x^2 43x 16
*June 9, 2011 by Greg - PV*

**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...
*April 29, 2008 by Bobby*

**MAT 101**

5. Which of the following are functions? The last two problems, i.e., b & c, are multi part relations consider all parts when determining whether or not these relations are functions. Explain your reasoning for a, b, and c. a. f(x) = x + 3 b. f(x) = 73 if x>2 otherwise f(x...
*February 25, 2010 by Lawrence*

**functions (easy explanation)**

I have a very quick question about exponential functions. I know how to use them and apply them but I don't know how to explain why they are always positive. Does anyone know why? An example of an exponential function would be 5 to the power of x. Thank you!
*April 10, 2014 by gzag*

**English**

Teen Pregnancy Answer the following: Identify the different types of statistics, graphs, and illustrations that are appropriate for your topic. Where do these visuals fit most effectively into your paper? Explain how these visuals strengthen your arguments. Develop the ...
*September 7, 2008 by Kandi*

**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 ...
*August 5, 2008 by D*

**Polynomial Fucntion Problem**

Could you help me with the following problem, I dont understand how to do it. Am I suppose to use the linear factorization theorem? Find an nth degree polynomial function with real coefficients satisfying the given conditions. 1. n=3; 3 and i are zeros; f(2)=20 my answer ...
*October 9, 2007 by Jen*

**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?
*February 14, 2013 by Lori*

**Algebra**

How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might ...
*April 14, 2010 by Michelle*

**Polynomiials**

Find a polynomial function with real coefficients that has the given numbers as roots: 4, 0, 3, italic i a)x^4-4x^3 +9x^2-36x b)x^3-4x^2 -3x+12 c)x^3-4x^2 +3x-12 d)4x-4x^3 -9x^2 +36x My gut instinct is either b or c but I could be wrong. If it were b or c, x=0 would not work. ...
*March 7, 2007 by raven 31791*

**Rational Zeros**

List all possible rational zeros for the polynomial below. Find all real zeros of the polynomial and factor f(x)=2x^4+19x^3+37x^2-55x-75
*January 2, 2012 by JB*

**polynomial function**

Please check my answers. Find the y-intercept of the polynomial function. f(x) = -x2 - 2x + 8 I got:y=8 f(x) = (x + 1)(x - 6)(x - 1)2 I got: y=-6 f(x) = -x2(x + 6)(x2 - 1) I got:y=0
*October 15, 2007 by Ann*

**math**

find a polynomial with integer coefficients such that square root of 3 + square root of 5 is a root of the polynomial
*March 3, 2010 by nancy*

**math**

find a polynomial with integer coefficients such that square root of 3 + square root of 5 is a root of the polynomial
*March 6, 2010 by nancy*

**Algebra 2**

for the polynomial complete the following table, -7x^4+8x^3-8x^2+3x-4. Degree of the term, Coefficient, Degree of the term, Degree of the Polynomial. Thank you.
*February 22, 2011 by Esther*

**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?
*October 13, 2012 by ladybug*

**Algebra Help PLEASE**

How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might use...
*June 6, 2008 by Kell*

**Math 117**

How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might use...
*December 7, 2008 by Julissa*

**Math Help Please**

How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might use...
*April 15, 2010 by Michelle*

**Oakton College**

How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can understanding how to do one kind of division help you with understanding the other kind? What are some examples from real life in which you might use...
*October 13, 2012 by Junkoping*

**Calculus**

The functions f and g are given by f(x)=√x and g(x)=6-x. Let R be the region bounded by the x-axis and the graphs of f and g, as shown in the figure in the link below. Please show your work. h t t p://goo.gl/jXIZD 1. Find the area of R. 2. The region R is the base of a ...
*February 27, 2013 by Jessy152*

**algebra**

Bob's Barber shop estimates their gross revenue for the second qaurter to be given by the polynomial 9x^3+4x^2-6x+9. The shop estimates their costs for that quarter to be given by 7x^2+2x+1. For the second qauter,find and simplify a polynomial that will represent their profit
*February 2, 2011 by lisa*

**algebra**

1. Evaluate the polynomial for x=3 and x=-3: the value of -6x +8 is - when x is 3, when x is -3? 2. Evaluate the polynomial for x =-4 and x=4:The value of -2x^3+8x^2-5x-9 is- x is 4,x is -4. 5. Add (8m^3-3m^2+m-5)+(8m^3+3m^2-4m-2) 6.Subtract (5a^3+a-7)-(8-7a^3-2a^2) &. (-1/2y^...
*October 9, 2013 by Skeeter*

**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*

**algebra**

List all possible or potential rational zeros for the polynomial below find all real zeros of the polynomial below and factor completely over the real numbers. f(x) x^4 + 10x^3 + 12x^2 - 58x + 35 Someone anyone?????
*December 9, 2011 by sue*

**algebra**

Compounded semiannually. P dollars is invested at annual interest rate r for 1 year. If the interest is compounded semiannually, then the polynomial represents the value of the investment after 1 year. Rewrite this expression without parentheses. Evaluate the polynomial if
*August 10, 2013 by shirley whitley*

**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 ...
*May 25, 2008 by shelly, k*

**math**

Use the exact values of the sin, cos and tan of pi/3 and pi/6, and the symmetry of the graphs of sin, cos and tan, to find the exact values of sin -pi/6, cos 5/3pi and tan 4pi/3. I have found the answers to the first three using the special tables sin pi/6 = cos pi/3 = 1/2 cos...
*August 25, 2011 by jenny*

**math/algebra**

Compounded semiannually. P dollars is invested at annual interest rate r for 1 year. If the interest is compounded semiannually, then the polynomial P(1+r/2)^2represents the value of the investment after 1 year. Rewrite this expression without parentheses. Evaluate the ...
*February 27, 2009 by Debbie*

**College Algebra**

Compounded semiannually. P dollars is invested at annual interest rate r for 1 year. If the interest is compounded semiannually, then the polynomial P(1+r/2)^2 represents the value of the investment after 1 year. Rewrite this expression without parentheses. Evaluate the ...
*November 26, 2010 by Lisa*

**Pre-Calc**

Fill in the blank; In the process of polynomial division (Divisor)(Quotient)+_______=_______ When a polynomial function f is divided by x-c, the remainder is _______. If a function f, whose domain is all real numbers, is even and if 4 is a zero of f, then _______ is also a ...
*February 27, 2012 by nelly*

**math**

Find a polynomial f(x) with leading coefficient 1 and having the given degree and zeros. Each polynomial should be expanded from factored form, simplified and written in descending order of exponents on the variable. For example: (x+5)(x-2) should be given as the answer x^2 + ...
*April 12, 2011 by marissa*

**Algebra**

I am stuck on this problem Identify the degree of each term of the polynomial and the degree of the polynomial in -8x^3 + 6x^2 +5x +5 The degree of term 1 = The degree of term 2 = The degree of term 3 = The degree of term 4 = does the degree of the polynomial = 3 ?
*May 4, 2009 by peyton*

**math (taylor polynomials)**

Find the degree 3 Taylor polynomial T3(x) of the function f(x)=(7x+50)4/3 at a=2 Find the second-degree Taylor polynomial for f(x)=4x2−7x+6 about x=0 thank you! (:
*November 30, 2011 by Alison*

**Functon compostions**

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 14x+2 For the given functions f and g, find the indicated composition. 8. f(x)=-5x+3, g(x)=6x+3 I got -30x+18 Find functions f and g so that h(x)= (f...
*September 14, 2007 by Soly*

**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**

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*

**Biology**

Which is NOT a major function of proteins? A. Provides cell structure B. Stores energy for the cell C. Functions as regulator molecules in cellular activity D. Functions as carrier molecules is it D
*July 10, 2013 by Amy*

**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?
*May 18, 2012 by bkue*

**music**

what is the function on health insurance? What is the functions of disability insurance? whatis the functions of life insurance?
*September 19, 2010 by cara*

**Math/College Algebra**

A water trough with triangular ends is 9ft long, 4ft wide, and 2ft deep. Initially the trough is full of water, but due to evaporation, the volumn of the water decreases at a rate proportional to the square root of the volume. Using advanced concepts from math and physics, it ...
*September 6, 2008 by Debi*

**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*

**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.
*April 20, 2011 by Mangetty*

**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?
*December 17, 2009 by kate*

**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?
*July 24, 2011 by Anonymous*

**Algebra 1**

1. Simplify 49^3/2. My answer: 343? 2. Simplify 5^x^25y^125. My answer: x^5y^25? 3. When the polynomial 5x - 2x + 8x^2 - 7 is written in standard form, what is the leading coefficient? My answer: -2? 4. Classify the polynomial 5x^2 + 9x + 1 according to tis degree and number...
*February 21, 2014 by Anonymous*

**Form a polynomial f(x)**

Form a polynomial f(x) with the real coefficients having the given degree and zeros. Degree 5; Zeros: -3; -i; -6+i f(x)=a( )
*March 26, 2013 by Ashley*

**Form a polynomial f(x)**

Form a polynomial f(x) with real coefficients having the given degree and zeros. Degree 5; Zeros: -3; -i; -6+i F(x)=a ( )
*March 27, 2013 by Hailey*

**Form a polynomial**

Form a polynomial f(x) with real coefficients having the given degree and zeros Degree 5; zeros: -8; -i; -8+i
*March 27, 2013 by Alley*

**Algebra 2!**

1.) (x) = (x^4)/4 − 3x^3 + (23x^2)/2 - 15x. Find the x values where the extremes occur. 2.) On a 10 question exam each question is worth 10 points (no partial credit). How ways can you make a 70%? 3.) Write the polynomial in standard form. Then classify it by degree and...
*May 8, 2014 by FIONA*

**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!*

**Advanced functions/precalculus**

1. Given f(x)=x^2 and g(x)=x+2, determine in standard form: a) g(f(x)) b) when f(g(x))=g(f(x)) 2. If f = {(-10, 1), (-1, -1), (10, 0), (11, 7)} and g = {(-1, -1), (0, 10), (1, -10), (7, 11)} for how many values of x is f x g defined? Explain 3. Given f(x) = -2x + 3 and g(x) = ...
*January 15, 2014 by Diane*

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