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July 24, 2014

Search: Consider the fuction f(x)=-2x^3+30x^2-144x+3. For this function there are three important intervals:

Number of results: 29,140

calculus
Consider the function f(x)=12x^5+30x^4160x^3+5 . f(x) has inflection points at (reading from left to right) x=D , E , and F D= E= F=
November 25, 2008 by greg

Calculus
I'm asked to find the domain of fuction (x+5)/(x-3) saying that x is all reals except for x can not equal three is wrong correct? Because i can evalue function when x = 3 as follows 3 + 5 = 8 so saying that the function has range x is a reals except x can not equal three is ...
October 31, 2009 by Calculus

calculus
Consider the function f(x)=12x^5+30x^4300x^3+2. f(x) has inflection points at (reading from left to right) x=D,E, and F. where D is___, E is____, and F is____.
November 12, 2009 by leah

math, algebra
can someone correct this for me or help me. 6x^2y^3+ 9x^2y^3 divided by 3x^2y^2 my solving and answer is: 15 x x y y y ---------- = 5y 3 x x y y Looks good to me. I've never thought of showing x^2y^3 as xxyyy. That a neat wrinkle. We see quickly that the Xs cancel and all but ...
December 12, 2006 by jasmine20

pre calc
The Identity Function The Squaring Function The Cubing Function The Reciprocal Function The Square Root Function The Exponential Functional Lo The Natural Logarithum Function The Sine Function The Cosine Function The Absolute Value Function The Greatest Integer Function The ...
December 18, 2009 by kim

Calculus
Consider the function f(x)=2x+6x^(-1). For this function, there are three numbers A<B<C which are either critical or not in the domain of the function. A= B= C=
December 7, 2013 by Skirby

Algebra: factoring
I need to find the value of x. 9x^3 + 9x = 30x^2 It's confusing because apparently I have to do 9x^3 + 9x and then add the + 30x^2 to it, and then make it equal 0, so it ends up like this: 9x^3 + 9x + 30x^2 = 0 And afterward, I would factor it. How do you factor it? I'm having...
December 4, 2008 by Rachelle

Fuction Notations
how might fuction notations be useful in my every day life?
January 21, 2007 by Sam

graphing exponential function
P(x) = -(x-a)^4 (x-b)^3 (x-c) where a>0, b<0, c>0, a<c How do I sketch a graph of this? Thanks First you put the points a, b and c on the x-axis, doesn't matter precisely where, as long as it satisfies the conditions: a>0, b<0, c>0, a<c. Then you use ...
February 10, 2007 by Jen

math
Given the fuction y = log3(x+3)+2, calculate the zero of the function. GIve an exact answer.
December 12, 2009 by Cyn

Algebra
Convert the simplified parabolic equation y=3x^2-30x-7 to standard form. 3x^2-30x-7 3x^2 -30 x -7 +75 -75 3(x^2 -10x + 25) -82 3(x-5)^2 -82 or y = 3(x-5)^2 -82 check that.
March 16, 2007 by Aubrey

calculus
Is this a correct answer, I'm trying to integrate the marginal revenue function to get the function for total revenue. R'(x)=(30/(2x +1)^2)+30 =R(x)=(-15/2x+1)+30x
April 13, 2010 by Cheryl

Inflection points
Consider the function f(x)=12x^5+30x^4300x^3+2. f(x) has inflection points at (reading from left to right) x=D,E, and F. where D is___, E is____, and F is____. I took the second derivative of the function and got 120x(2x^2+3x-15). From that I set it to equal and tried finding...
November 17, 2009 by Kay

ACC220
select a management fuction (planning, directing and motivating,or controlling)and explain how that function relates to business as a whole.
October 7, 2008 by cliff

Math
find any stationary points of the function g(x) = (2x-3)square root of 5+16x-4x^2 (0 less than or equal to x less than or equal to 4) and use the first derivative test to classify each stationary point as a local maximum or local minimum of g(x) this is how far i have got with...
September 14, 2010 by Pd

Pre- Calc
Determine if the fuction is a power function. If it is, then state the power and constant of variation. f(x)=4x^(-3/5)
December 19, 2012 by Mayra

Algebra
2(3x - 7) + 4 (3 x + 2) = 6 (5 x + 9 ) + 3 how will solve it? well you first multiply it out: 6x-14+12x+8=30x+54+3 you combine like terms 18x-6=30x+57 -12x=63 x=-63/12
May 22, 2007 by James

ALGEBRA
If I divide 28x^3-30x^2-67x-21 BY 7x+3...will I get 4x^2-10x-21? THEN 28x^3-30x^2-21THEN 14x^2-15x^2-21???? PLEASE HELP!!!
February 25, 2010 by GGIFT

math
is this correct then. Why might fuction notations be important? My answer: a function notation shows how x computes based on an equation. The function of x means the given equation a certain value. Such as f(x)=x + 7. For example f(6)=6 + 7. So, f(6)=13 the function equals 13...
January 15, 2007 by jasmine20

math
Find the complex zeros of the polynomial function, and write f in factored form: f(x)= x^3 - 8x^2 + 30x - 36
August 21, 2013 by sheila

Math
Manny is a plumber and charges $50 when he visits a client and $30 per hour for every hour he works. His bill can be expressed as a function of hours, x, with the function f(x)= 50 +30x. Which statement explains the meaning of the inverse of the function? A)Total bill as a ...
July 23, 2008 by Haru

math (binomial exp)
the Q is : Given that (1+ax)^n = 1 + 30x +375x^2+.... find the values of the constants a and n . I know that : (i am writing (n 1) as the coefficient of n) (n 1) *ax = 30x (n 2) *(ax)^2 = 375x^2 which can be written as (n 1)* a = 30 (n 2)*a^2 = 375 I solved this only by ...
October 19, 2009 by Gemini

Statistics
Joint probability density function is: x + y where 0<x<1 and 0<y<1 (0 elsewhere) Find variance of (30x + 25y) Answer is 11.48 --- My calculations Marginal probability density functions (same for x and y): f(x) = x + 1/2 over 0<x<1 f(y) = y + 1/2 over 0<y&...
October 8, 2009 by Sean

MATH WORD PROB Function
To rent a conoe, you pay a fee of $25 and an hourly rate of $5. Express the total cost of a rental as a function of hours, h. Then use the fuction to dertmine the total cost to rent a conoe for 8 hours. The equation should be written in slope intercept form
October 16, 2013 by andra

Calculus
Consider the function f(x)=-2x^3+33x^2-108x+2. For this function, there are three important intervals: (-Inf,A], [A,B], [B,Inf) where A and B are the critical points. Find A and B and for each of the important intervals, tell whether f(x) is increasing or decreasing.
October 29, 2013 by Nathan

Algebra help/ look over please
Can you please look over these and let me know if they are right? 1/4(5x-1/2)-5/3<1/3 5/4x-1/8-5/3<1/3 24(5/4x-1/8-5/3)<24(1/3) 30x-3-40<8 30x-43+43<8+43 30x<51 x<51/30 {x|x<51/30} 31-(2x+2)< or equal to 4(x+1)+x 31-2x-2< equal to 4x+4+x 29-2x<...
October 1, 2009 by Lisa

Calculus
Evaluate the following definite integral: integral at a = -1, b=2 -4dx/(9x^2+30x+25) Would I have to separate them in 3 terms as: -4 ∫1/9x^2 + ∫1/30x + ∫1/25 resulting in: -4/(3x^3)+ (15x^2)+ C? and from there I can replace a and b f(a) - f(b)? Thank you
August 10, 2012 by Paul

math
consider the function: f(x)=3sin(2(x-30))-1 determine the first three x-intercepts to the right of the origin, rounded to the nearest tenth of a degree.
December 13, 2011 by justme

college algebra
f(x)=x^2-4x-2 g(x)=x+7 what is the function using (f.g)(x) my answer is x^3-3x^2-30x+14 is this the correct answer
April 23, 2010 by Jake

calculus
Flight Path. In this problem you will use a cosine function to model the flight path of a plane that begins its descent from 20000 ft when it is 45 miles from the airport. Find the fuction p(x)= ACos(wx)+B that that gives the altitude in ft when the plane is x miles from the ...
April 1, 2013 by Tom

math
Flight Path. In this problem you will use a cosine function to model the flight path of a plane that begins its descent from 20000 ft when it is 45 miles from the airport. Find the fuction p(x)= ACos(wx)+B that that gives the altitude in ft when the plane is x miles from the ...
April 2, 2013 by T-Man

math
Flight Path. In this problem you will use a cosine function to model the flight path of a plane that begins its descent from 20000 ft when it is 45 miles from the airport. Find the fuction p(x)= ACos(wx)+B that that gives the altitude in ft when the plane is x miles from the ...
April 2, 2013 by tom

math
Flight Path. In this problem you will use a cosine function to model the flight path of a plane that begins its descent from 20000 ft when it is 45 miles from the airport. Find the fuction p(x)= ACos(wx)+B that that gives the altitude in ft when the plane is x miles from the ...
April 3, 2013 by momo

Algebra
Rewrite the equation as a function -3x+4y=11 If you want to consider y as a function of x, then y = (1/4)(3x +11) One can also write x as a function of y. x = (1/3)(4y - 11)
March 16, 2007 by Tony

Math
a long distance phone company charges $3 for a phone call plus $0.75 for each minute of the call. What fuction does this situation give rise to? Find the formula and make a table for this function.
November 17, 2010 by lt

math
Determine the period, amplitude and phase shift for each given function: A)y = -4 cos 3x + 5 B)y = 2/3 sin (30x-90)-10 c)y = -0.38 tan (x/3+pi/3) d)y = pi cos(2x)+ pi
June 12, 2012 by darshi

math
whats the center of the hyperola 25y^2-144x^2+150y-576x-3951=0
December 29, 2010 by arthur

trig/math
Determine the period, amplitude and phase shift for each given function: A)y = -4 cos 3x + 5 B)y = 2/3 sin (30x-90)-10 c)y = -0.38 tan (x/3+pi/3) d)y = pi cos(2x)+ pi
June 11, 2012 by darshi

trig
Determine the period, amplitude and phase shift for each given function: A)y = -4 cos 3x + 5 B)y = 2/3 sin (30x-90degrees)-10 c)y = -0.38 tan (x/3+pi/3) d)y = pi cos(2x)+ pi
August 12, 2012 by noel

Calculus
If the derivative can be thought of as a marginal revenue function for x units (in hundreds of items) sold, and the revenue for a company is given by the function. R(x) = 30x^3 C 120x^2 + 500 f or 0 x 100, a. Sketch the graphs of the functions R(x) and R'(x) . b. Find ...
April 3, 2013 by Wiz

Calculus
If the derivative can be thought of as a marginal revenue function for x units (in hundreds of items) sold, and the revenue for a company is given by the function. R(x) = 30x^3 C 120x^2 + 500 f or 0 x 100, a. Sketch the graphs of the functions R(x) and R'(x) . b. Find ...
April 3, 2013 by Wiz

Calculus
If the derivative can be thought of as a marginal revenue function for x units (in hundreds of items) sold, and the revenue for a company is given by the function. R(x) = 30x^3 - 120x^2 + 500 f or 0 x 100, a. Sketch the graphs of the functions R(x) and R'(x) . b. Find ...
April 3, 2013 by Wiz

Calculus
If the derivative can be thought of as a marginal revenue function for x units (in hundreds of items) sold, and the revenue for a company is given by the function. R(x) = 30x^3 - 120x^2 + 500 for 0 _< x _< 100, a. Sketch the graphs of the functions R(x) and R'(x) . b. ...
April 3, 2013 by Wiz

Calculus
If the derivative can be thought of as a marginal revenue function for x units (in hundreds of items) sold, and the revenue for a company is given by the function. R(x) = 30x^3 - 120x^2 + 500 for 0 _< x _< 100, a. Sketch the graphs of the functions R(x) and R'(x) . b. ...
April 4, 2013 by Wiz

math-calc
Consider the function f(x)= (2x+8)/(6x+3). For this function there are two important intervals: (-inf, A) (A, inf) and where the function is not defined at A . Find A For each of the following intervals, tell whether is increasing (type in INC) or decreasing (type in DEC). ...
March 13, 2009 by mkcolema

Algebra
Use the rational zeros theorem to list the potential reational zeros of the polynomial function. Do not attempt to find the zeros. f(x)=6x^4+9x^3+30x^2+63x+28
March 31, 2013 by Alley

calculus help please
Consider the function f(x)=2x+9x^1.? For this function there are four important intervals: (-inf,A], [A,B),(B,C), and [C,inf) where A, and C are the critical numbers and the function is not defined at B. Find A= ????? and B= 0 and C =?????
May 22, 2008 by amy

Math
Convert each general equation to standard form. 144X^2-25Y^2+864X-100Y-2404=0 Y^2-4X^2-12Y-16X+16=0
May 7, 2012 by PLEASE HELP

CALCULUS
6. f(x)= 12x^5 + 30x^4 - 160x^3 +4 For this function there are four important intervals:(-inf, A] , [A,B] ,[B,C],[C, inf) where A ,B ,C are the critical numbers. Find A B AND C and at those points do they have a local min, max or neither??
March 17, 2009 by mkcolema

Business Calculus
A company has operating costs of $2000 per thousand items produced. Its revenue function can be modeled by the equation: R(x)=30x/(x+2) , where x is measured in thousands of items produced, and C and R are measured in thousands of dollars (so C(x)=2). 1. Determine the price-...
March 25, 2011 by Adriana

math
Andrew factored the expression 54x^3-30x^2+15x as 5x(9x^2-6x+3) but when Melissa applied the distributive law and multiplied out 5x(9x^2-6x+3). she got 45x^3-30x^2+15x. thus andrew's solution does not appear to check. why is this? eplain your reasoning and correctly factor the...
February 11, 2011 by Nick

algebra
Andrew factored the expression 54x^3-30x^2+15x as 5x(9x^2-6x+3) but when Melissa applied the distributive law and multiplied out 5x(9x^2-6x+3). she got 45x^3-30x^2+15x. thus andrew's solution does not appear to check. why is this? eplain your reasoning and correctly factor the...
February 11, 2011 by Crystal

Calculus 1
Find the equlibrium point for each pair demand and supply function. Demand:q = 8800-30x; supply:q = 7000+ 15x
July 22, 2010 by Blake

math
Which three options are true about the quadratic equation?? y= 4t^2 + 16t + 18 A. The graph has a minimum. B. The graph of y crosses the horizontal axis at t = 10 and t = 20. C. The equation 4t^2 + 16 + 18 = 6 has one real solution. D. The function has a maximum at t = 10 E. ...
April 30, 2007 by jojo

parabolas
how do i find the equaion of the following parabolas? 1)intercepts at (2,0),(8,0) and (0,48) 2)turning point at (1,-2) and passing through the origin. can someone please teach me how to do this??thanks! The first: Write you standard equation of a parabola (it has two x ...
May 20, 2007 by Emma

,Math2
calculate the cost per barrel if 4000 barrels were extracted from the ground C=9x2-144x+480000 this is a quadratic relation the 2 is a exoponet
December 18, 2012 by t

calc
Consider the function below. (Round the answers to two decimal places. f(x) = 2x tan(x) -p/2 < x < p/2 (a) Find the interval where the function is increasing. Find the interval where the function is decreasing. (b) Find the local minimum value. (c) Find the interval ...
April 4, 2010 by bella

calculas
Consider the function f(x) = 7 xe^{-7.5 x}, 0<_x<_2. This function has an absolute minimum value equal to: which is attained at x=
February 19, 2014 by ryan

Algebra
What is the side length of a square with an area of 144x? A.12 B.12x C.12x D.no solution I think it is C...?
February 25, 2013 by Cassie

Math
Considering the doubling plus one function: The output is 2 times the input, plus one. For example, if the input is 3 the out put is 7. Determine which of the following points are on the graph of the doubling plust one fuction: (2,5), (2,8), (-1,1), (3,4), (-2,-3), (1.5,4), (0...
November 18, 2010 by michelle

Math
Considering the doubling plus one function: The output is 2 times the input, plus one. For example, if the input is 3 the out put is 7. Determine which of the following points are on the graph of the doubling plust one fuction: (2,5), (2,8), (-1,1), (3,4), (-2,-3), (1.5,4), (0...
November 17, 2010 by Michelle

PreCalc
Consider the function(7+15x^2)/(10x^2+9x+10). Find the function's domain and identify any horizontal and vertical asymptotes Please Help!
September 23, 2010 by BJ

math
Consider the following. lim x→−2 2x^2 − 2x − 12/x + 2 Find the limit of the function (if it exists). (If an answer does not exist, enter DNE.) Write a simpler function that agrees with the given function at all but one point. g(x) = ??? thnks
January 28, 2012 by Anonymous

Intermediate Algebra
Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; State the domain and the range of the function. f(x) = e^x
September 10, 2010 by Samantha

Algebra
Evaluate the logarithmic function for three values of x between zero and one, three values of x greater than 1, and at x=1. Show your work. Use the resulting ordered pairs to plot the graph. State the domain and the range of the function. g(x) = ln x + 2
June 19, 2010 by Zen

math
is y=0.005x^2+10 a fuction?
October 29, 2012 by sandy

Math
Use synthetic division to determine which pair of integers provide both a lower and an upper bound for the zeros of f(x)= x^5-2x^4-25x^3+50x^2+144x-290 PLEASE SHOW WORK!!!
April 9, 2014 by Ana

pre-calculus honors
GENERATE A FUNCTION THAT MODELS THE SITUATION. Consider the type of function describedit is not linear! A shipping company charges $4 for the first pound and $3 for each additional pound or part thereof. As you try to come up with the equation, consider the following: -How ...
December 17, 2009 by annemarie

pre-calculus honors
GENERATE A FUNCTION THAT MODELS THE SITUATION. Consider the type of function describedit is not linear! A shipping company charges $4 for the first pound and $3 for each additional pound or part thereof. As you try to come up with the equation, consider the following: -How ...
December 17, 2009 by annemarie

Algebra
What is the side length of a square with an area of 144x? A.12 B.12x C.12x D.no solution I think it is C...? If I am right can you show your work please...I am just starting to understand these..thank you
February 24, 2013 by Cassie

algebra
what is the fuction for input 3 and output 16?
March 19, 2012 by Anonymous

Algebra
Consider the function :[1,∞)→Rgivenbytheformulay=x3+2. (a) Show that though the function is increasing at an increasing rate, the change in x required to double the value of the function is not constant. (b) Make a table of values for constant changes in x, and ...
April 2, 2014 by Jasmine

Math
The following three points are produced by some quadratic function of the form : f(x) = Ax^2 + Bx + C where A; B and C are real numbers and A = 0; they are (1/2,0);(0,10); and (4,0). Find a quadratic function that satisfy es these three points.
September 18, 2012 by ben

math (check my answer?)
Find the equation of a sine function that has a vertical displacement 2 units down, a horizontal phase shift 60 degrees to the right, a period of 30 degrees, a reflection in the y-axis and an amplitude of 3. My attempt at an answer: Y = 3 sin (30x- 60) -2 Can someone tell me ...
January 22, 2011 by stephy

Chem
Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements ...
November 3, 2010 by John

CHEMISTRY
Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements ...
November 3, 2010 by John

calculus
what is the the derivative of the absolute value fuction x-3
November 15, 2009 by nik

Math
whay is the critical number of the fuction G(x)=2x+5
November 14, 2012 by Ishmael

exponential fuction
what is y=f(x)=1/3)x rounded to the nearest thousandth
January 3, 2013 by beth

chem helpp!
Consider a system of three molecules A, B, and C. Suppose that three units of energy can be distributed over the three atoms. Each atom can have no energy, one unit of energy, two units of energy, or all three units of energy. Assume that each of the ten possible arrangements ...
November 3, 2010 by John

algebra
Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the domain and the range of the function. f(x) = e^(-x) - 1
September 10, 2010 by Makina

Math
Find an equation of the parabola with vertex at the origin that passes through the point (-36, 2) and opens to the left. I believe you start with (x-h)^2 = 4p(y-k) and plug in the given point and (0,0), and solve for p. I got y^2 = 144x. Is this correct? Thank you!
January 2, 2009 by Momo

Math
determine the value of k for which the fuction f(x)=4x^2-3x+2kx+1 has 2 zeros.
October 21, 2012 by Neha

Calculus
Consider the function f(x)=4(x−3^2/3. For this function there are two important intervals: (−,A) and (A,) where A is a critical number. Find A
April 28, 2013 by Ryan

Calculus
Consider the function f(x)=4(x-5)^(2/3). For this function, there are two important intervals: (-Inf, A) and (A, Inf) Where A is a critical number. Find A
November 5, 2013 by Nathan

Math
Consider the function f(x) = 7 x + 3 {x ^ -1 }. For this function there are four important intervals: (-infinity, A], [A,B),(B,C), and [C,infinity) where A, B and C are either critical numbers or points at which f(x) is undefined. Find A, B and C
November 7, 2009 by Salman

Calculus
The function f(x)=-2x^3+30x^2-96x+8 has one local minimum & one local maximum. This function has a local minimum at x equals ______ with value __________ and a local maximum at x equals _______ with value __________ .
October 29, 2013 by Skirby

algebra
Please help, very lost Evaluate the exponential function for three positive values of x, three negative values of x, and at x=0. Show your work. Use the resulting ordered pairs to plot the graph; submit the graph via the Dropbox. State the domain and the range of the function...
September 11, 2010 by mar

Math
is there an easy way to find the fuction rule for a table?
February 28, 2009 by Angie

English
what is the noun fuction of He must like studying calculus.
May 1, 2013 by Dilly

Math
1. The function r(w) = 2aw-2 + b + c where a, b and c are constants. w You are given that r(1) = 5; r(4) = 12 and r′(2) = 18. By substituting for w in the above function and its derivatives or otherwise, show that the three given function values give rise to a system ...
April 1, 2013 by Amy

Math
The function r(w) = 2aw-2 + b + c where a, b and c are constants. You are given that r(1) = 5; r(4) = 12 and r′(2) = 18. By substituting for w in the above function and its derivatives or otherwise, show that the three given function values give rise to a system of ...
April 3, 2013 by Krisi

Binomial
Help me on this one :( Express y= (7-3x-x^2)/[((1-x)^2)(2+x)] in partial fractions. Hence, prove that if x^3 and higher powers of x may be neglected, then y=(1/8)(28+30x+41x^2) I did the first part of expressing it in partial fractions. (Since it's very difficult to type out ...
March 3, 2010 by Keira

math
Consider the function f(x)= 3 ------. x^2-25 a) Determine any restrictions on x. b) State the domain and range. c) State equation(s) for the asymptote(s). d) Determine any x- and y-intercepts. e) Sketch a graph of the function. f) Describe the behaviour of the function as x ...
November 27, 2013 by karthi

math
use the rational zero theorem to find all the real zeros of the polynomial function. use the zeros to factor f over the real numbers: f(x)=4x^4+9x^3+30x^2+63x+14 I cant even find sample problems to help me figure this out. help me please?
March 27, 2013 by courtney

9th grade algebra
h(t)=-16t+64t what does each zero of this fuction represent
November 9, 2011 by Anonymous

calculus
Consider the function f(x)=x^n for positive integer values of n. (a) For what values of n does the function have a relative minimum at the origin? (b) For what values of n does the function have a point of inflection at the origin?
February 24, 2014 by helga

Calculus
1. For the function f(x)=4x^3-30x^2+4: a) Find the critical numbers of f(if any); b) Find the open intervals where the function is increasing or decreasing; and c) Apply the First Derivative Test to identify all relative extrema 2. For the function f(x)=(x-1)^(8/11) a) Find ...
October 30, 2012 by Rudy

Determine without graphing
Determine without graphing, whether the given function has a maximum value and then find the value. f(x)=3x^2+30x-1
March 15, 2013 by Jenn

pre-calculus honors
Generate a function that models the situation. Consider the type of function describedit is not linear! A shipping company charges $4 for the first pound and $3 for each additional pound or part thereof. As you try to come up with the equation, consider the following: -How ...
December 17, 2009 by annemarie

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