Search: math-functions starting

Number of results: 190,527

math
I've just begun to study Exponential functions: When you make a table starting with: -2 -4^x What are my coordinates? -1 0 1 2
Wednesday, January 18, 2012 at 4:11pm by Jane

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...
Thursday, September 13, 2007 at 11:09am by Kelly

Math
If you're talking about trig functions, a period is how long the function takes to return to its starting value. At that time, f(x) has not changed, so the average change is zero.
Thursday, January 19, 2012 at 8:41pm by Steve

math-functions starting
-3f(x-4)=x^2 i have no clue what to do with the -3 in front of the f. please explain step by step as to how to do this question the answer in the back is -3x^2+24x-48
Tuesday, February 9, 2010 at 7:42pm by just wondering

Alg. I
I've just begun to study Exponential functions: When you make a table starting with: -2 -4^x What are my coordinates? -1 0 1 2
Wednesday, January 18, 2012 at 10:54am by Jane

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.
Monday, October 15, 2007 at 3:54pm by Lena

math
Eight types of functions are graphed and explained at this tutorial site: http://www.analyzemath.com/Graph-Basic-Functions/Graph-Basic-Functions.html There is a place to click on the page to get it to work interactively. I don't know what you mean by Parents graphs.
Monday, May 12, 2008 at 10:22pm by drwls

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...
Thursday, October 11, 2007 at 9:39pm by Keon

math-functions starting
The problem probably said: if f(x) = x^2 , find -3f(x-4) f(x) = x^2 f(x-4) = (x-4)^2 = x^2 - 8x + 16 then -3f(x-4) = 3(x^2 - 8x + 16) = -3x^2 + 24x - 48
Tuesday, February 9, 2010 at 7:42pm by Reiny

math
Trigonometry is the branch of mathematics that deals with the solution of triangles through the use of the trigonometric functions sine, cosine, tangent and their reciprocals. The trig function values derive from the ratios of the "x" and "y" values of a ...
Monday, March 3, 2008 at 9:37am by tchrwill

Math
Use the functions f(x)=x+4 and g(x)=2x-5 to find the specified functions. (g x f)^-1
Wednesday, March 25, 2009 at 5:23pm by Jake

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?
Friday, February 20, 2009 at 1:22am by Dan

Medical Seekers
I am confused!! what are Functions ? Math functions?
Wednesday, September 14, 2011 at 5:40pm by Liz

algebra
1) Graph these functions using a graphing calculator or program: f(x) = x^2 + 5 g(x) = 2x + 5 h(x)= x^3 + 5 What similarities and differences can you see among them? 2) Given the above functions, do you think that all linear equations can be expressed as functions?
Tuesday, August 18, 2009 at 7:42pm by Anonymous

High School Pre Calculus
Do you know what the parent functions of y = sqrt(x) and y = x^3 look like? The functions f and g are simply those parent functions with a horizontal shift.
Saturday, January 16, 2010 at 8:02pm by Marth

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?
Wednesday, May 2, 2007 at 2:23pm 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).
Tuesday, December 18, 2007 at 1:42pm by Anonymous

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????
Wednesday, March 27, 2013 at 1:45am by asia

math
You have defined three independent functions of x. Unless you define how the functions are related to one another, there is no "solution". An example would be to require that f(x) = g(x)
Thursday, March 18, 2010 at 9:42pm by drwls

exponential functions in math
my daughter needs some help studying for a unit test using exponential functions in math
Tuesday, April 2, 2013 at 8:07pm by tiffny

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 ...
Saturday, March 5, 2011 at 3:54am by Paula

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.
Tuesday, March 26, 2013 at 1:35pm 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 ...
Thursday, January 13, 2011 at 7:48pm by Tarkan

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!
Wednesday, December 19, 2012 at 12:31am by Buddy

Physics
Uniform Circular Motion: Suppose that a particle's position is given by the following expression: r(t) = Rcos(omega*t)i + Rsin(omega*t)j 1. Choose the answer that best completes the following sentence: The particle's motion at t=0 can be described by ____________. a. ...
Sunday, October 4, 2009 at 12:03pm by Anonymous

Math advance functions gr 12
Using rational functions solve 7+ 1(numerator) x (denominator) = 1 (numerator) x-2(demominator)
Monday, April 1, 2013 at 6:15pm by alex

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)
Tuesday, August 19, 2008 at 2:51am by Anthony

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
Saturday, January 19, 2013 at 4:28pm by Anonymous

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.
Wednesday, July 29, 2009 at 3:30am by Alicia

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!
Saturday, March 23, 2013 at 10:34am by marie

Math/Statistics
The mean starting salary for graduates in the spring of 2004 was $36,280. Assume that the distribution of starting salaries follows the normal distribution with a standard deviation of $3,300. What percent of the graduates have starting salaries between $35,000 and $40,000? a...
Monday, November 29, 2010 at 1:36pm by Dave

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 ...
Monday, May 2, 2011 at 11:22am by Debra

Maths
45 Here's why: If first digit is k, middle is k+i, last is i. Max k+i is 9, so i ranges from 0 to 9-k So, there are 9 numbers starting with 1, 8 starting with 2, ... 1 starting with 9 sum of numbers from 1 to 9 is 9*10/2 = 45
Tuesday, September 18, 2012 at 2:38pm by Steve

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.
Tuesday, July 19, 2011 at 11:34am by Kate

Graphing Functions
Can someone point me to a starting point in graphing f(x)= 25/cos x If it weren't a fraction and a cosine, I'd try to build a table of coordinates. This one, I have no start point. Thanks
Thursday, August 2, 2007 at 3:43pm by charlie

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
Thursday, January 10, 2008 at 7:33pm by Anonymous

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.
Sunday, January 25, 2009 at 6:25pm by tera

Advanced Functions
Rena has been offered entry-level positions with two firms. Firm A offers a starting salary of $40 000 per year, with a $2000 per year increase guaranteed each subsequent year. Firm B offers a starting salary of $38 500, with a 5% increase every year after that. a)After how ...
Sunday, December 13, 2009 at 10:26pm by please help!

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 ...
Monday, February 22, 2010 at 10:08am by AR

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 ...
Sunday, June 7, 2009 at 5:13pm by Halle

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?
Tuesday, August 17, 2010 at 6:10pm by Brenda

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...
Wednesday, September 26, 2012 at 7:35pm by Shreya

Physics
A particular sprinter reaches a horizontal acceleration of 13.3 m/s2 out of the starting block. The starting block is tilted such that the vertical component of the force which the starting block exerts on the sprinter compensates for the weight of the sprinter, leading to a ...
Friday, October 2, 2009 at 3:47pm by Stephanie

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?
Sunday, October 14, 2007 at 11:30am by Anonymous

Math - Functions
to graph linear functions we need 2 points h(0)=3*0+7=7 first point (0,7) h(1)=3*1+7=10 second point (1,10)
Tuesday, December 18, 2007 at 1:42pm by moimk

Math-Exponential functions
For part 2, A(t)= $51,429 Q(t)=$54,142 C(t)= $55,116 For part 3, I meant when will each of the 3 investments grow to a value of $30,000. So, if I graphed the functions and look at the tables, would it help me determine the years?
Wednesday, October 24, 2012 at 8:19am by Melia

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.
Wednesday, April 10, 2013 at 12:03pm by Kayleigh

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!
Wednesday, September 17, 2008 at 5:50pm by Lucy

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.
Wednesday, September 9, 2009 at 4:11am by Caroline

statistics
3. Consider selecting a starting line up for an intermural 6-on-6 indoor soccer team where you are required to have 4 students and 2 faculty on the court at all times. As everyone on your team have equal skills, you decide to randomly assign members to your starting lineup ...
Monday, October 15, 2012 at 9:50pm by ami

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.
Wednesday, November 22, 2006 at 12:31pm by Steve

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...
Sunday, July 8, 2012 at 10:24am by Picaboo

Math
A runner is 22 km east and 15 km south of his starting point. How far is he in a direct line from his starting point?
Saturday, November 24, 2012 at 4:50am by Olivia

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.
Wednesday, November 22, 2006 at 3:22pm by stevie!

advance functions gr12 HELP ASAP
Using rational functions solve 7+ (1)/x = 1/(x-2) thank you
Tuesday, April 2, 2013 at 1:10pm by james

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).
Wednesday, January 16, 2008 at 9:51pm by Amy

advance functions gr12
Using rational functions solve (7+ 1)/x = 1/(x-2)
Tuesday, April 2, 2013 at 11:24am by james

Functions of f(x)
this question wants you to make up the functions of f(x) and g(x) to proform each expression
Sunday, January 1, 2012 at 7:04pm by Hunter

Science
How are the functions of a human cell different to the functions of a computer?
Sunday, July 6, 2008 at 3:47pm by Wanda

advance functions gr12 HELP ASAP
using rational functions solve (x+5)/(x-3)= (2x+7)/(x) thank you
Tuesday, April 2, 2013 at 11:28am by ALEX

maths functions - eh?
There are infinitely many functions that contain those 5 points. Is there something else?
Monday, April 9, 2012 at 7:06am by Steve

Math
When starting the return, the straight-line distance from the starting point is: sqrt[(22)^2 +(15)^2] = 26.63 km Divide that by the speed for the time required, and you get 2.663 hours, whiich is 2 hours, 40 minutes
Saturday, November 24, 2012 at 5:13am by drwls

advance functions gr12 (SORRY LAST ONE HAD A TYPO)
Using rational functions solve 7+ (1)/x = 1/(x-2)
Tuesday, April 2, 2013 at 11:43am by james

aadvanced functions HELP!
nope i don't, the school makes it manditory to take advanced functions before calculus
Wednesday, December 10, 2008 at 9:43pm 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)
Friday, September 14, 2007 at 9:43pm by Jules

Math
B is indeed correct. If two functions are multiplicative inverses then that means that the product of the two functions equals 1. Note that cos^(-1) denotes the functional inverse of cos, so this not the same as 1/cos(x).
Sunday, March 8, 2009 at 12:51pm by Count Iblis

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) = ½ (0.8)x-2 k(x) = (0.8)-3x+9
Wednesday, January 12, 2011 at 4:05pm by Hailey

functions
pls. explain transformations on functions..
Wednesday, September 7, 2011 at 6:09pm by it'sme

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 ...
Saturday, July 7, 2012 at 9:09pm by Picaboo

Medical Seekers
Health Care providers use computers to perform many functions. Identify at least 4 of those functions!
Wednesday, September 14, 2011 at 5:40pm by Liz

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?
Monday, August 27, 2007 at 8:59pm by dani

Biology
You have to know more: what emzyme? Waht is the starting pH and the starting temperature?
Friday, July 22, 2011 at 3:45pm by bobpursley

math
numbers starting with 3,4, or 5 with no other restrictions = 3x10x10x10 = 3000 numbers starting with 3,4, or 5 and ending with 000 = 3x1 = 3 So total numbers as stated = 3000 - 3 = 2997
Wednesday, November 18, 2009 at 9:28pm by Reiny

statistik
the average starting salary of this yaer's graduates of a large university (LU)is $25000 with a standard deviation of $5000.futhermore,it is known that the starting salaries are normally distributed. a)what is the probability that a randomly selected LU graduate will have ...
Wednesday, November 28, 2012 at 9:19am by mira

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 ...
Monday, June 19, 2006 at 5:09pm by greg

math algebra 1
http://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.210586.html
Wednesday, October 5, 2011 at 10:01pm by Ms. Sue

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.
Friday, September 24, 2010 at 3:58pm by Sarah

math
Looking at a table of numbers and there is a pattern starting with the number 501, then shaded numbers every 8th number starting with 509. How do I use place value to describe how the numbers change?
Monday, February 13, 2012 at 8:54pm by Jordan

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.
Friday, September 21, 2012 at 9:31pm by Anastasia

Math
A runner is 22 km east and 15 km south of his starting point, how long would it take him to return to his starting point in a direct Line if he can run at 10 km per hour?
Saturday, November 24, 2012 at 5:13am by Olivia

physics
Nope, displscement is a vector. displacement= ending position-starting position. As I calculate, he is opposite his starting position, or 2R, in the direction opposite the starting point. In polar coordinates, the displacement is 2R@180
Friday, July 2, 2010 at 2:19am by bobpursley

math
It is rather unusal to ask for the least common multiple of functions. It is not clear how "least" is defined In this case I'd guess the LCM is 500(x-1)^3 *(x+2)^2 If you divide that by either of your two functions, you get a product of monomials and integers, ...
Sunday, May 24, 2009 at 1:44pm by drwls

Algebra
A function is a rule that explains how one variable can be computed from one or more other variables. A linear equation of the form y = mx + b is a function. If you have an equation without ONLY one variable on one side, it is technically not a function, in my opinion. b = mx...
Tuesday, March 9, 2010 at 12:44pm by drwls

Math
assuming (a) they all begin at the starting point (b) they all stop when they get back to the starting point then by the time the slowest pig gets back, the others will already (still) be there. So, 6 minutes.
Tuesday, September 25, 2012 at 12:44pm by Steve

algebra
What does the "o" between g and f mean? You have not said what g and f are. It is as simplified as it can get. You posted a similar question earlier with sepecified functions. Why are you posting it again without functions?
Tuesday, June 3, 2008 at 12:05am by drwls

Functions
See if any of the following tutorials on functions will help you: http://search.yahoo.com/search?fr=mcafee&p=functions+tutorials Sra
Friday, September 24, 2010 at 3:58pm by SraJMcGin

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
Wednesday, October 19, 2011 at 6:20pm by ayotal

Graphing polynomial functions
the standard definition of (f+g)(x) = f(x) + g(x) so for your functions (f+g)(x) = (4x^2+9x+2) + (3x-2) simplify this and then follow the same technique for the other two questions, and let me know what you got
Saturday, October 20, 2007 at 1:49pm by Reiny

physics
Halfway? starting energy= 1/2 k .358^2 that is PE PE at half way= 1/2 k (.358/2)^2=1/4 starting PE so KE must be 3/4 starting energy. 1/2 m v^2= 3/4*1/2 k (.358)^2 solve for v.
Saturday, November 20, 2010 at 5:45pm by bobpursley

Math
Putting a "hat" over a letter, such as A in this case, sometimes designates that Â is an operator. Operators convert matrices or functions into other matrices, functions or constants. Physicists often use this operatore notation, but in your case there may be ...
Saturday, June 20, 2009 at 9:31pm by drwls

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 ...
Monday, January 16, 2012 at 8:49pm by Shreya

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...
Sunday, February 10, 2013 at 11:52pm by Julia

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 ...
Thursday, December 4, 2008 at 4:16pm by Celina

Geography
i have a project it is on urban planning Committee. so i got Elderly . so i have to present my ideas to my classmates and to teacher. iam starting my presentation like this .... my name is anu and my projct is on Elderly . Elderly people will have helth care..... i think it is...
Thursday, May 13, 2010 at 7:54pm by anu

physics
Cars A and B are racing each other along a straight path in following manner: Car A has head start and is a distance dA beyond starting line at t=0. The starting line is at x=o. Car A travels at constant speed vA. Car B starts at starting line but has better engine than car A ...
Sunday, September 27, 2009 at 8:27pm by help

math
A hiker travels N 33 degrees W for 15km, then turns 90 degrees and walks 12km in the direction S 57 degrees W At that time how far is the hiker from his starting point? What is his bearing from his starting point?
Tuesday, January 10, 2012 at 11:52am by sandra

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...
Sunday, August 9, 2009 at 6:19pm by Nikki

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