Tuesday

October 21, 2014

October 21, 2014

Number of results: 9,546

**expressing as odd & even functions**

Express P(x) = x^5 + 6 x^3 - x^2 - 2x + 5 as the sum of an odd function and even function. Podd(x)=x^5 +6x^3- 2x Peven(x)= -x^2 + 5
*January 30, 2007 by Jen*

**Calculus, check my answer, please! 1**

Did I get this practice question right? 1. Consider the following functions: f(x)=cos(x^3-x) h(x)=|x-3|^3 g(x)=1n(|x|+3) s(x)=sin^3(x) Which of the following is true? (Points : 1) f is even, h and s are odd. ***f and g are even, s is odd. h and s are odd, g is even. s is odd, ...
*October 2, 2013 by Samantha*

**odd and even functions**

Using f is odd if f(-x) = -f(x) or even if f(-x) = f(x) for all real x, how do I 1)show that a polynomial P(x) that contains only odd powers of x is an odd function 2)show that if a polynomial P(x) contains both odd and even powders of x, then it is neither an odd nor an even ...
*January 30, 2007 by Jen*

**Calculus, check my answer, please! 2**

Consider the following functions: f(x)=sin(x^4-x^2) h(x)=(|x|-3)^3 g(x)=1n(|x|)+3 s(x)=sin^3(x) Which of the following is true? h and g are even, f and s are odd. f is even, h and s are odd. h and s are even, f is odd. ***f and h are even, s is odd. f, h, and s are odd.
*October 2, 2013 by Samantha*

**math**

I know It's probably an easy question but I don't know remember how to do it. Show the work to determine if the relation is even, odd, or neither. a ) f(x) = 2x^2 - 7 b) f(x) = -4x^3 - 2x c) f(x) = 4x^2 - 4x + 4 If f(-x) = f(x), for any x, the function is even. If f(-x) = -f(x...
*August 20, 2007 by manny*

**Symmetry**

For these functions, determine which ones are NEITHER even nor odd. A) f(x)=3x^2+|x| B) f(x)= 3x^3+x^2+x-4 C) f(x)= 1/2x D) f(x)= 2x^5-x^3+2x E) f(x)= 4x+1/x F) F(x)= 2x^4+x^2-x+2 Enter the letter of each function separated with a comma. How can you tell which ones are even or...
*May 1, 2012 by Bobb*

**Math**

Let f and g be two odd functions. Prove that: a) f + g is an odd function b) g of f is an odd function I am not even sure where to start, any help that can be provided would be appreciated!
*September 13, 2007 by manny*

**Calculus, check my answers, please? :)**

Okay, so I think these are right, but I would appreciate if someone could check them and tell me if something is wrong and what the right answer is. I'd also appreciate an explanation if possible. :)Thank you! 7. Given that f(x)={x^3 if x ≥ 0 {x if x < 0 which of the ...
*October 2, 2013 by Samantha*

**discrete math**

prove that if n is an integer and 3n+2 is even, then n is even using a)a proof by contraposition b)a proof by contradiction I'll try part b, you'll have to refresh me on what contraposition means here. Here is the claim we start with If n is an integer and 3n+2 is even, then n...
*September 27, 2006 by audryana*

**Algebra**

Let f(x) = 1 – 3x^2. Which of the following is true? Give a brief explanation. A. f is an odd function B. f is an even function C. f is neither even nor odd D. f is both even and odd I would say B because an even function is one where f(x) = f (-x), Is am correct? Is it even?
*June 28, 2009 by Jacinta*

**Math - Functions**

I know the following equation is definitely NOT EVEN, BUT I DO NOT KNOW WHY IT'S NOT ODD!. . . PLEASE. . .EXPLAIN THOROUGHLY!. . . y = 2(x - 1)^2 + 3 f(-x) = 2(-x - 1)^2 + 3 f(-x) does not equal f(x), therefore, not even. . . -f(x) = -[2(x + 1)^2 + 3] -f(x) = -2(-x - 1)^2 - 3...
*January 14, 2008 by Anonymous*

**Statistics**

a roulette wheel has 40 slots evenly divided between red (even) and green (odd) slots totaling 38 and a "0" and a "00". what is the probability of the ball landing in an: A)even number < 10 B) other than an even or odd number C) odd number > 15 D) even number greater ...
*November 21, 2010 by kristina*

**Algebra**

Confused Please Help! Thanks! Let f(x) = 1 – 3x^2. Which of the following is true? Give a brief explanation. A. f is an odd function B. f is an even function C. f is neither odd nor even D. f is both odd and even
*June 24, 2009 by Laurie*

**discrete math**

Prove by contradiction that for any even integer a and any odd integer b, 4 does not divide (a^2 + 2b^2). Proposition: That 4k (k is any integer) = a^2 +2b^2, and a is even, and b is odd. But 4k is even (product of any integer and 4), so a^2 must be even, as 2b^2 is even. ...
*March 7, 2007 by romulo*

**Algebra Functions**

I dont understand how you determine whether a function is even, odd,or neither. Here are my problems: Determine whether the given function is even, odd, or neither. 8. f(x)=x^3-x^2 This is how I did it. f(-x)=(-x^3)- (-x^2)= (-x)(-x)(-x) - (-x)(-x) = (-x^3) -(x^2)- I got that ...
*September 5, 2007 by Soly*

**Algebra**

Let f(x) = 1 – 3x^2. Which of the following is true? Please give us a brief explanation. A. f is an odd function. B. f is an even function. C. f is neither odd nor even. D. f is both odd and even.
*June 24, 2009 by Jeanna*

**Algebra**

Let f(x) = 1 – 3x^2. Which of the following is true? Give a brief explanation. A. f is an odd function B. f is an even function c. f is neither odd nor even Cf is both odd and even
*June 24, 2009 by Tammie*

**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*

**Math **

tan(-120)= sqrt 3 OR - sqrt 3 (Helper stated that it was sqrt 3) But, I'm just confused over this part: for even vs. odd functions it saids that tan(-angle) = - tan(angle) so the even vs. odd doesn't matter since tan is positive in the QIII?
*March 1, 2011 by Amy*

**need help**

the sum of two odd #'s is 1.even 2.odd 3.sometimes odd 4.even most of the time
*June 5, 2012 by janika*

**math**

why is the product of two odd functions even?
*October 15, 2007 by lani*

**Math**

Is f(x)= -x/x^2-1 odd, even or neither of the two functions?
*December 15, 2013 by Jessy*

**Algebra2**

Helpp? Graphs of functions !! I need to determine if these are odd or even? 1. f(x)=x^5-x 2. f(x)=5 3.f(x)=x^4+2x^3
*August 29, 2012 by Unknown*

**Math (precalculus)**

I have a question about the symmetry of graphs, but maybe it's more of a simple factoring question... Why is f(x)=x+(1/x) odd, while h(x)=x-x^2 is neither even nor odd? I understand that f(-x)=-x-1/x=-(x+1/x)=-f(x) is odd because f(x)=f(-x). Then for h(-x)=-x-x^2...why can't ...
*October 26, 2008 by Lucy*

**math**

When y = 3, which of the following is FALSE? A. y is prime and y is odd B. y is odd or y is even C. y is not prime and y is odd D. y is odd and 2y is even
*December 11, 2012 by Buster*

**Algebra2**

Check Please? Determine if the given function is even, odd or neither. 1. f(x) = 3x^4 - 2x^2 =Even. 2. f(x) = x^3 + x = Odd.
*November 29, 2012 by Pam*

**math**

Can 2 odd numbers add to an even or 1 odd and 1 even to an even?
*September 3, 2008 by cam*

**Math**

If a and b are positive odd integers, then prove that one of (a+b)/2 and (a-b)/2 are even or odd number. I mean in the above numbers one is odd and one is an even number.
*April 6, 2013 by Steve*

**Algebra**

Is a function with a fraction (1/4) an even or an odd function? Or can fractions be neither even or odd? I have to declare one or the other, so I'm not sure what to say.
*November 9, 2009 by Erin*

**Calculus**

Determine if function is even, odd, or neither... f(x) = secx tanx I understand how to find if its even or odd, but the sec and tan, I dont understand. Can someone help?
*September 6, 2009 by MW*

**pre cal**

Determine algebraically whether the function is even, odd, or neither even nor odd. f as a function of x is equal to 14 times the cube root of x
*June 23, 2014 by Jorgeeee*

**Geometry**

Consider the experiment of rolling a single die what is the probability of rolling an odd number? I came up with 0.5,even odds as there are 3 odd and 3 even numbers so the prob. is 0.5 Did I do this correct.
*September 8, 2009 by Emory*

**math**

Determine whether the functions are even, odd, or neither. (a) f(x) = x²/√x²+ 1 (b) g(x) = x^3 - √ x- 7
*April 2, 2008 by Zach*

**Pre-Cal**

What is the domain, range, zeros, symmetry, and is it even/odd of these functions? (how can you tell, i don't remember how you get all these, refresher please) y= 1/x y=[x] y=sq rt. of x^2 -4 y=sin x y=cos x y=tan x
*August 23, 2010 by Amanda*

**math**

what will i answer if the question is " identify the symmetry" is it even/odd FUNCTION or Even/odd SYMMETRY?
*September 15, 2011 by grace*

**math**

One of the following functions is neither odd nor even. Which one? x^5 + 3x 6x^2 – |x^2| + 3 x^9 + 3x^7 + 6x (my answer)x^2 + 3x + 3 + |x –3| This is really tricky pre-calc graphing problem. Thanks for the help!
*October 1, 2012 by Anonymous*

**Calculus, check my answers, please! 3**

Did I get these practice questions right? 1. Suppose that f is an even function whose domain is the set of all real numbers. Then which of the following can we claim to be true? ***The function f has an inverse f –1 that is even. The function f has an inverse f –1, but we can'...
*October 2, 2013 by Samantha*

**Math Proof**

Prove that square root of 12 is irrational. **I don't know if I did this correctly PF: By contrapositive, assume sqrt(12) is rational. Then there exist an a,b as integers such that a/b is written in the lowest terms, and sqrt(12)=a/b. Then by squaring both sides, 12=a^2/b^2. ...
*September 8, 2014 by Ashley*

**Algebra 2**

Determine whether the function is even, odd, or neither. f(x)=-4x²+5x Its odd right?
*July 4, 2011 by Reanna*

**math**

corrected ? TWO ODDS =ODD? OR 1 ODD+1EVEN=EVEN?
*September 3, 2008 by cam*

**Math**

is 1 really an odd number i think its was neither odd or even
*September 3, 2008 by carle*

**college algebra**

Let f denote an odd function and g an odd function. Decide whether the function h(x)=g(x) f(x) is even or odd.
*December 7, 2007 by rodrigo*

**math**

why 13 is odd number. what is defination of odd and even numbers
*October 19, 2011 by ashley*

**Algebra**

Determine if the function is even, odd or neither. f(x)=2x^5+2x^3 f^-1x=2(-x)^5+2(-x)^3 f^-1x=-2x^5+-2x^3 f^-1x=-2x^5-2x^3 f(x)=2x^5+2x^3 f^-1x=2(-x)^5+2(-x)^3 f^-1x=-2x^5+2(-x)^3 f^-1x=(-2x^5)+(-2x^3) f^-1x=-2x^5-2x^3 Not even. This function is odd.
*March 28, 2008 by John*

**precalc**

The question is: is (root(x2+2))/x=f(x) even or odd? I got that it was odd because f(-x)=-f(x) but on the graph it does not look like it is symmetric to the origin what did i do wrong?
*November 2, 2008 by Alex*

**Math**

Determine whether the function x^3+x^2-1 is even, odd or neither. I thought it was odd because it has one negative sign is this correct
*February 22, 2009 by lt*

**math**

If the first of 1000 consecutive whole numbers is odd, their sum must be a) even b) odd c)prime d) negative Help?
*April 11, 2013 by kate*

**Math**

Auppose f is even but g is an arbitrary function (possibly neither even nor odd). (a) Is f o g still even? Show why or why not. (b) Is g o f even? Show why or why not.
*October 3, 2012 by xavier*

**~*~Algebra!*~**

How do you use possible symmetry to determine whether the graph is the graph of an even function, an odd function, of a function that is neither even or odd?
*September 1, 2007 by Nickie*

**Math**

make a conjecture for the following show work the sum of an even and odd number. - the product of two odd numbers.
*September 15, 2011 by Geometry Help!!!!*

**algebra**

The function f is even and the function g is odd. Determine whether the function h(x)= f(x)/g(x) is even or, odd or neither.
*December 7, 2007 by danny*

**math**

Assuming that the square root of 2 is rational and is = to an even number divided by an odd number.2 multiplied by the odd number squared is= to the even number squared
*January 20, 2011 by Lebogang*

**Math! Please check!**

Consider the statement: If two whole numbers are even, then their sum is odd. What assumption should be made to prove the statement indirectly? A- The numbers are equal. B- The numbers are not equal. C- Their sum is not odd. D- Their difference is even. My choice is C.
*October 7, 2014 by Skye*

**Pre-calculus-check answers**

Determine whether the function f(x)[x+1] is odd, even, or neither. Answer: neither odd nor even 2)Find the least integral upper bound of the zeros of the function f(x)=x^3-x^2+1. Answer: upper bound, 1
*August 23, 2008 by Lucy*

**MATH**

invested 2000 gains 0.2 every odd numbered month gains 0.15 every even numbered month write function for n months? i've tried solving this with a formula, but every formula i come up with is wrong. Could someone tell me how to solve this and plug in the right numbers into a ...
*September 5, 2011 by Amy*

**math**

You roll two (6-sided) number cubes, a red one and a white one. Find each probability: a. P (5,2) b. P (5, odd #) c. P (3,3) d. P (even #, odd #) e. P (4,4) f. P (less than five, 6)
*April 17, 2012 by Anonymous*

**Pre-calculus**

Determine whether the function f(x)[x+1] is odd, even, or neither. Answer: neither odd nor even 2)Find the least integral upper bound of the zeros of the function f(x)=x^3-x^2+1. Answer: upper bound, 1
*August 25, 2008 by Lucy*

**pre-calculus**

Determine whether the function f(x)[x+1] is odd, even, or neither. Answer: neither odd nor even 2)Find the least integral upper bound of the zeros of the function f(x)=x^3-x^2+1. Answer: upper bound, 1
*August 27, 2008 by lucy*

**CHEMISTRY**

Round this to three sig figs. 0.03335 Is it 0.0334? Is the rule: odd number goes up and even number stays the same? 3 is odd and is next to five...
*October 26, 2013 by Anonymous*

**keybording and word processing**

you would use words for numbers when? a. signifying an even house number, b. using "A.M." or "P.M." c. expressing an even amount of dollars and cents, d. beginning a sentence with a number
*June 9, 2008 by Raksha*

**keybording and word processing**

15. you would use words for numbers when? a. signifying an even house number, b. using "A.M." or "P.M." c. expressing an even amount of dollars and cents, d. beginning a sentence with a number
*June 9, 2008 by Raksha*

**Math I**

How do you find whether a function is even or odd? Identify the odd function. A)f(x) = 5 B)f(x) = 8x C)f(x) = |x3| D)f(x) = x2 + 7
*February 8, 2010 by Cline*

**Algebra2**

Determine if the given function is even, odd or neither. 1. f(x)= 3x^4 -2x^2 Even? 2. f(x)= x^3+x
*September 17, 2012 by BillyBob*

**Geometry**

Working on conjectures. The question is Conjecure: The product of any two odd numbers is _____? It shows several examples of odd numbers x odd numbers and the products are all odd. So I think the right answer is "odd numbers" but is there some formula I should be writing down?
*August 22, 2007 by Jordan*

**algebra**

A number cube is rolled three times what is the probability of the sequence even,even,odd?
*February 13, 2012 by cade*

**math/making dot arrays**

my son is in fifth grade and he is making dot arrays he said that the even numbers are called factors but isn't sure what the odd numbers are called, anyone know? Factors are numbers that you multiply together to get another number. These can even or odd.
*August 30, 2006 by Jami*

**Geometry**

CounterExamples and Inductive Reasoning and Conjectures? Make a Conjecture for Each Scenario. Show your Work - the sum of the first 100 positive even numbers, - the sum of an even and odd number. - the product of two odd numbers. FInd One CounterExample to show that the ...
*September 15, 2011 by Geometry Help!!!!*

**MATH**

Which function Is even? a. f(x) = √x - 3 b.f(x) = 3√x c. f(x) = |x| + 4 I keep getting neither even or odd. HELP PLEASE...
*June 27, 2010 by Taylor*

**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*

**Maths**

The first odd number can be expressed as 1 = 1squared - 0squared. The second odd number can be expressed as 3 = 2squared - 1squared. The third odd number can be expressed as 5 = 3squared - 2squeared. a) Express the fourth odd number in this form. (Am I right in saying 7 = ...
*November 20, 2008 by Stephanie*

**math probability**

this is a probability question... Suppose you are asked to choose a whole number between 1 and 13 inclusive. (a) what is the probability that it is odd?...7/13 (b) What is the probability that it is even?...6/13 (c) what is the probability that it is a multiple of 3?...4/13 (d...
*December 18, 2008 by joe*

**algebra**

I have been working this one for awhile and have become more confused. Please assist. Problem: Find two consecutive odd integers such that 5 times the first interger is 12 more than 3 times the second. The key thing is to realize that odd numbers, just like the even numbers, ...
*April 21, 2007 by ken*

**Math grade 10**

Our teacher said that for trigonometry, even degree means that if we flip the graph, it is would look exactly the same. Then why is that sec is even function while csc is odd function??
*September 6, 2010 by prethy*

**Calc**

Find the areas of the regions bounded by the lines and curves by expressing x as a function of y and integrating with respect to y. x = (y-1)² - 1, x = (y-1)² + 1 from y=0 to y=2. I graphed the two functions and the do not intersect? Does it matter? Or do I still find the area...
*October 10, 2011 by Erica*

**Abnormal Child Psychology**

Which of the following is true regarding the relationship between ODD and CD? A. most children who display ODD go to to later develop CD. B. There's no relationship between ODD and CD. C. CD is almost always preceded by ODD. D. ODD is almost always preceded by CD. I say A if I...
*September 3, 2010 by Anonymous *

**spin of a electron**

I have to know the spin of a electron and what I have in my notes has me confused. 1. If the # of neutrons and # protons of a element are odd the element has a whole spin # (1, 2, 3) examples given: 2 H 11 B 14 N 17 O 33 S 35 Cl (I think those are mass numbers not atomic #'s) ...
*December 8, 2007 by ~christina~*

**Math**

You start with 101 and want to get down to 0 by subtracting 2. How many times will you subtract 2 from 101? 101 is an odd number and 0 is even; you can't get from an odd to an even by subtracting even numbers. If you subtract 50*2, or 100, you'll get to 1 and the next step ...
*October 10, 2006 by Sam*

**Calculus**

solve this equation on the given interval expressing the solution for x in terms of inverse trigonometric functions. 6(cosx)^2-cosx-5=0 on (pie/2, pie)
*October 10, 2011 by Josh*

**Math**

Show work to determine if the relation is even, odd, or neither. f(|x|) = |x|- x^2 + 1 I thought it was even because the absolute value and squared will cancel the negatives, but I don't know how to show this through math..
*July 12, 2013 by Anonymous*

**algebra 2**

consecutive odd integer problem find two odd integers the sum of whose squares is 130. (sq)=squared let x= 1st odd int let x+2=2nd odd int (2x+2)(2x+2)=130 4x(sq) + 4x+ 4x +4=130 4x(sq) + 8x -126= 0 2(2x(sq)+4x-63)=0 My question: WHAT ARE THE TWO DARN #s!!!
*December 3, 2007 by harry*

**physical education**

What side do you start on in a doubles game? even side, odd side, or it all depends on the score? is is even side?
*March 5, 2009 by Anonymous*

**calculus**

is (x)/(x^2-9) an even or an odd function?
*November 19, 2007 by mark*

**algebra**

is it even odd or neither 3x=|y|
*July 1, 2008 by billy*

**math**

odd and even numbers
*September 19, 2011 by ryan*

**precalc**

Is sine an even or odd function?
*January 21, 2011 by lauren*

**MATH**

f(x)=x^2/(x-2)^3 is this function odd even or neither?
*July 6, 2013 by FUNCTIONS*

**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*

**Math**

We call a natural number "odd looking" if all its digits are odd.How many 4-digit odd looking numbers are there?
*January 2, 2014 by John*

**Math**

The following are the first four terms of a sequence: a, a (1/b),a(1/b(1/b),a(1/b)(1/b)(1/b) where a is a positive integer. Is the eight term positive or negative? explain So the sequence could be seen as {a/b^(n-1): n=1,2,3...} I hope you can see that the sign of each term ...
*September 3, 2006 by dgibson*

**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 be made...
*September 13, 2007 by Kelly*

**pre calculus**

how do you tell if a function is even or odd?
*September 25, 2007 by Mike*

**calculus**

Determine if the function is even, odd or neither. f(x)=x^3-x^2-8x+4
*October 12, 2010 by sarah*

**Math**

Let f(x) = x^4 + 2x^2 + 1 / x + 1 Find f(-x)and determine if f is even, odd, or neither.
*July 4, 2011 by MSM*

**math**

Are fact families for even and odd numbers?
*October 23, 2012 by jp*

**Odd or Even function?**

f(x)=x^3 + sin x So far.. I've heard it's neither.. But how? Thanks
*May 16, 2012 by Chris*

**Algebra**

Determine whether each function is odd, even or neither. a) f(x) = -6x^5+2x^3 b) f(x) = x^4-x^2+1
*June 21, 2013 by AZ*

**Math**

If numbers 1-10 are put in a bowl determine the probability that if two are selected they would 1. both be even,2. both would be less than 5 and 3. the first number is odd and the second number is even.
*July 13, 2010 by Mary LouBrown*

**functions math**

show that if f is any function, then the function O defined by O(x)=f(x)-f(-x)all over 2 is odd
*September 9, 2008 by Shannon*

**precalculus**

Suppose f is an even function and g is an odd function such that the composition fog is defined.d show that fog is an even function
*September 23, 2012 by Fatima*

**math**

I am a 2-digit number. The sum of my digits is 15. My tens digit is odd. My ones digit is odd. My ones digit is even. What number am I?
*October 22, 2009 by mckenna*

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