Friday

April 18, 2014

April 18, 2014

Number of results: 252,599

**Math - Simple rational functions (check)**

3(x^2-x-6)/4(x^2-9) what is the domain?
*Friday, October 29, 2010 at 6:25am by Valencia*

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

**Math - Simple rational functions (check)**

what is the anwser to this input output table here it is input(x)-2,-1,0,1,2,3,here is the output(y)-1,1,3,5,7,9,
*Friday, October 29, 2010 at 6:25am by shila*

**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- Rational Functions**

1. Some rational functions have asymptotes, others have holes, and some have both. Explain how you can identify, without graphing, which graphical features a rational function will have. Can someone explain this thoroughly ? I don't understand. thanks in advance.
*Sunday, October 5, 2008 at 8:31pm by Mae*

**statistical research**

You posted this question more than once. Look for my answer elsewhere. Your data refers to FATAL accidents, not ANY accident. You will also find the problem worked out at: http://www.algebra.com/algebra/homework/Rational-functions/Rational-functions.faq.question.125800.html
*Monday, September 8, 2008 at 9:41pm by drwls*

**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*

**math**

hello, i have some question about rational functions. 1) are there any sites that are good in teaching graphing rational functions? 2) for the domain of the rational function it is what the denominator cannot equal to rite? for example the denominator of x^2-7x+10 can be ...
*Tuesday, October 23, 2007 at 7:53pm by julie*

**Gr.11 - Rational functions graphing.**

1. Identify a rational function whose graph is a horizontal line except for two holes. Graph the function. 2. Identify a rational function who graph lies entirely above the x-axis and has a single vertical asymptote. Graph the function. 3. Identify a rational function who ...
*Monday, October 6, 2008 at 1:04am by Mae*

**functions**

how can you possibly have an assignment working with something you have not studied? If you have f(x) and g(x) as functions, then there are two simple composite functions: f(g(x)) and g(f(x)) Given your functions, f(g) = g+1 = (x^2+2x+1)+1 x^2+2x+2 g(f) = f^2+2f+1 = (x+1)^2 + ...
*Friday, October 18, 2013 at 5:17pm by Steve*

**calculus: Rational Functions**

I do not understand how to complete rational functions: ie: As x (arrow) -3, f(x) (arrow) ?. Our book sucks and our instructor is little help. Thank you.
*Tuesday, April 1, 2008 at 9:00pm by Pam*

**Math - Simple rational Function (check)**

Correct. Did you find any turning points?
*Monday, October 25, 2010 at 10:45am by Reiny*

**Math**

For the given functions, write the rational function, r(x) = [f(x-h)-f(x)]/h and simplify: a. F(x) = 2x+3 b. F(x) = 1/(x+1) c. F(x) = x^2 --- Just need to know that the rational function is and maybe I can do the questions. Thanks.
*Tuesday, February 9, 2010 at 9:24pm by Anonymous*

**Math Rational Functions-Please Clarify =)**

I have a question about the rational function I recently posted. Would the range still be (-∞,2)U(2,∞) if the rational function is what Reiny posted "(2x^2-18)/(x^2+3x-10)." The y-intercept confuses me because its (0,1.8) and when I look at the line it passes ...
*Monday, October 15, 2012 at 9:02pm by Enlia*

**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 - Simple rational Function (check)**

I get the second derivative as f''(x) = 2/(x-1)^3. If f''(x) = 0 then there are no solutions, hence there are no turning points. Am i correct? But how does that help me graph f(x) for large values.
*Monday, October 25, 2010 at 10:45am by Anonymous*

**Math Rational Functions**

for rational functions, y = p(x)/q(x), the domain is all reals except where q(x) = 0 So, here that would be all reals except where (x+5)(x-2) = 0 since there is a horizontal asymptote at y=2, and the graph does not cfross the asymptote, the range would be all reals except y=2 ...
*Monday, October 15, 2012 at 12:32pm by Steve*

**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*

**advance functions gr12**

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

**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*

**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*

**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*

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

**Math - Simple rational functions (check)**

Consider the function f(x) = x/(x-1) Are there any turning points? Explain how this could help you graph f(x) for large values of x? Ans: turning points is another word for checking the concavity, and therefore i find the second derivative and equate it to zero and see where ...
*Friday, October 29, 2010 at 6:25am by Anonymous*

**Pre-Calculus**

Rational Functions y = (x^2+7x-4)/(x-2) Since the degrees of both the numerator and denominator are the same, I would use the leading coefficient, and both the rational functions start with 1, so would the horizontal asymptote be 1? Also dont get how to find the horizontal ...
*Tuesday, October 2, 2012 at 7:27pm by Shreya*

**advance functions gr 12**

Using rational functions solve 7+ 1(numerator) x (denominator) = 1 (numerator) x-2(demominator)
*Tuesday, April 2, 2013 at 7:38am by james*

**advance functions gr 12**

Using rational functions solve x+5(numerator) x-3 (denominator) = 2x+7 (numerator) x(demominator)
*Monday, April 1, 2013 at 6:11pm by Fadak*

**advance functions gr 12**

Using rational functions solve x+5(numerator) x-3 (denominator) = 2x+7 (numerator) x(demominator)
*Monday, April 1, 2013 at 6:13pm by Fadak*

**Math**

Whenever you have a rational function, vertical asymptotes are possible. A rational function is a fraction where one polynomial is divided by another. If the denominator is zero and the numerator is not zero, then you have a vertical asymptote. Consider a simple function y = 1...
*Monday, October 10, 2011 at 7:59pm by Steve*

**Math Rational Functions-Please Clarify =)**

Yes it does ^^
*Monday, October 15, 2012 at 9:02pm by Enlia*

**advance functions gr 12**

Using rational functions solve 3(numerator) 2x-4 (denominator) < (with a "-" underneath) 4 (numerator) x-2(demominator)
*Monday, April 1, 2013 at 6:16pm by james*

**Math**

I just wanted to check my answers with anyone willing to take the time. Identify all sets that -3/4 belongs to: a.whole #s, integers, rational #s b.rational #s c.integers, rational #s d.odd #s, whole #s, integers, rational #s Ithought it was C How many centimeters are equal to...
*Thursday, December 14, 2006 at 7:15pm by Katie*

**rational functions... PLEASE HELPPPPP**

A rational function that passes through (0,0) and (4, 8/7) has the x-axis as a horiztonal asympotote. It also has 2 vertical asymptotes x=3, x=-3. I understand that to set it up, it is y= ax+b / (x+3)(x-3). I dont understand how to solve for a and b.
*Saturday, January 27, 2007 at 6:46pm by luke*

**Math- Rational Functions**

how would we know if it has both holes and asymptotes?
*Sunday, October 5, 2008 at 8:31pm by Mae*

**Math rational exponents**

what is the domain of these functions? y= -1/5x^(-1/3) and y=10x^ (-1/6)
*Sunday, November 14, 2010 at 8:31pm by Charm*

**Math Rational Functions-Please Clarify =)**

Thank you very much!
*Monday, October 15, 2012 at 9:02pm by Enlia*

**Math Rational Functions-Please Clarify =)**

you are welcome, does it make sense now?
*Monday, October 15, 2012 at 9:02pm by Reiny*

******college algebra…radical functions******

Create a rational function such that the graph of has vertical asymptotes at x=5 and x= -7, a hole at x=2 , and a horizontal asymptote at y = 14. By creating a rational function, you are to write rule for this function. There are many correct solutions here.
*Sunday, October 16, 2011 at 11:01pm by Brianna *

**Math ~CHECK MY ANSWERS~**

1) 1.3 = 13/10, so rational or 1.333333...... = 1 1/3 = 4/3 which is rational 2)agree 3) agree
*Wednesday, February 12, 2014 at 12:50pm by Damon*

**Math- Rational Functions**

What is the domain and range of 2x^2-18/x^2+3x-10
*Sunday, October 5, 2008 at 8:31pm by Enlia*

**Math Rational Functions**

What is the domain and range of 2x^2-18/x^2+3x-10
*Monday, October 15, 2012 at 12:32pm by Enlia*

**Math-Rational #'s**

Just trying to understand this. Please let me know if I did these right. Thanks!!! -7 as a rational # = -7/10 -3.03 as a rational # = -33/10 -2 3/12 as a rational # = -25/12 1.03 as a rational # = 13/10
*Monday, March 15, 2010 at 8:52pm by Kate*

**Math**

for simple polynomial functions such as this, just integrate each term so the integral of 2x^3+2x+4 is (2/3)x^3 + x^2 + 4x + C, where C is a constant. always check your answer by differentiating it, in our case we get back the original expression.
*Wednesday, May 14, 2008 at 9:11pm by Reiny*

**Math (calc)**

Given the function: f(x)=x^3(x-2)^2 , on the interval [-1,3] find the domain and Asymptotes ...Isn't the domain (-1<x<3) ? and as for the asymptotes I thought you could only find them for rational functions and since that function is not rational I guess there aren't any...
*Saturday, November 7, 2009 at 1:03pm by Elizabeth*

**ALGEBRA**

SIMPLIFY: 5 ROOT OF 6X +4 ROOT OF 6X IS THE ROOT OF 77 IRRATIONAL OR RATIONAL? SIMPLIFY: 8 + ROOT OF 24 DIVIDED BY 2 IS THE ROOT OF 49/100 RATIONAL OR IRRATIONAL AND IS THE ROOT OF 121 RATIONAL OR IRRATONAL? SIMPLIFY: ROOT OF 3X/2 THANKS IN ADVANCE!!!I AM FLUNKING THIS MATH ...
*Sunday, June 10, 2007 at 11:58am by Tomika*

**Math**

Using the index of a series as the domain and the value of the series as the range, is a series a function? Include the following in your answer: Which one of the basic functions (linear, quadratic, rational, or exponential) is related to the arithmetic series? Which one of ...
*Saturday, October 28, 2006 at 11:19pm by Vianna*

**math- please help**

0.51111... is rational, as are all numbers with repeating decimal places. Its value is 0.5 + 1/90 = 23/45 so, the most specific ordering is rational,integer,rational,irrational,natural Looks to me like #3 is closest, since rational and irrational are mutually exclusive, and #1...
*Sunday, November 17, 2013 at 10:40pm by Steve*

**Math - Simple rational Function (check)**

st t=0? N= 1 . It probably means 100 precent. What bothers me about your equation is that as cleanup progresses, say at t=40years, N= 20.2, and at 100 years, N=50.1, so pollutant is increasing over time. THe simple solution is that clean up will never work, the pollution has ...
*Monday, October 25, 2010 at 8:24am by bobpursley*

**math**

5. State a rational function that satisfies all of the following: The y – intercept is 24 There is a horizontal asymptote at y = 3 There are vertical asymptotes at x = -1 and x = 4
*Monday, July 8, 2013 at 8:06pm by FUNCTIONS*

**Math 7 - HW Question Check (Q2)**

same answer as the last one. Look up definition of rational number please. If you can write it as a ratio of whole numbers it is rational. That applies to all but a) and d) for example a is sqrt 2 and d is -2sqrt 2 (are you sure d is not the cube root of 8 ?)
*Sunday, April 15, 2012 at 6:45pm by Damon*

**Math**

2-4 paragraphs plus two graphs Details: Many different kinds of data can be modeled using polynomial functions. An example of a polynomial function would be gas mileage for an automobile. If we compare gas mileage at two different speeds, V1 and V2, the gas required varies as...
*Monday, January 21, 2008 at 12:07am by Nathan*

**math**

What is the best sequence of names to identify this set of numbers? (1 3/5,-10, 0.51(the one is repeating), TT,17) 1.(rational,integer,irrational,irrational,natural) 2. (rational,irrational,rational, irrational, whole) 3.rational,real,rational,real, natural) 4. (real,integer, ...
*Sunday, November 17, 2013 at 5:06pm by B8*

**math- please help**

What is the best sequence of names to identify this set of numbers? (1 3/5,-10, 0.51(the one is repeating), TT,17) 1.(rational,integer,irrational,irrational,natural) 2. (rational,irrational,rational, irrational, whole) 3.rational,real,rational,real, natural) 4. (real,integer, ...
*Sunday, November 17, 2013 at 10:40pm by B8*

**math advanced functions grade 12**

Find the solution set to the following rational inequality, 240/x+8 > 20x/x+1
*Tuesday, July 24, 2012 at 6:25pm by illiah*

**Functions**

what is the oblique asymptote of this rational function: (x ^ 3) / (x ^ 2+1)
*Thursday, April 18, 2013 at 5:15pm by Lg*

**Math**

What do you do to check if a number is rational or irrational? In the explanation use a rational and irrational number.
*Friday, September 27, 2013 at 7:30pm by Steve*

**math. can someone do this for me please....**

* Consider the functions f(x)=1/x +4 and g(x)=2/x. Graph f and g on the same grid. a)Determine the points of intersection of the two functions. b)Show where f(x)<g(x). c)Solve the equation 1/x +4=2/x to check your answer to part a). d)Solve the inequality 1/x +4<2/x to ...
*Monday, January 6, 2014 at 11:12am by *ajay**

**anonymous**

1.) an account invested in a month market fund grew from $67,081.20 to $67,359.39 in a month. What was the interest rate, to the nearest tenth? 2.)you are due a tax refund of $760. your tax preparer offers you a no-interest loan to be repaid by your refund check, which will ...
*Tuesday, March 15, 2011 at 12:45am by math i have a few questions.hepl pls ty*

**Trigonometry functions**

David, really now ! After getting help for so many trig question, don't you think it is time that you try some of these yourself? Especially the rather simple ones, like your last two? Let us know what you get and we'll check them
*Thursday, November 28, 2013 at 9:08pm by Reiny*

**math**

if you let f(x) = 3x^3+7x^2+3x+1 and if we want factors with rational coefficients, the the only choices for f(x) = 0 would be if x = ±1 or x = ± 1/3 A quick mental check would show that none of these work, so I conclude that there are no rational factors.
*Monday, March 23, 2009 at 8:03pm by Reiny*

**Rational Zero Theorem**

Also, if there are many possible candidates like in this case, you should not try them all out. Instead, you should proceed as follows. Let's denote the polynomial by P(x). Suppose y is a possible rational root. But then we check if y is a root and see that P(y) is not equal ...
*Tuesday, January 13, 2009 at 12:32am by Count Iblis*

**Algebra plz check**

Find all numbers for which the rational expression is undefined -12/5y. The rational expression is defined for every real number is this correct?
*Sunday, June 5, 2011 at 1:55pm by sam*

**Algebra**

Using the index of a series as the domain and the value of the series as the range, is a series a function? Include the following in your answer: Which one of the basic functions (linear, quadratic, rational, or exponential) is related to the arithmetic series? Which one of ...
*Sunday, October 29, 2006 at 11:19am by V*

**Algebra II**

Give the equations of any vertical asymptotes for the graphs of the rational functions. f(x)=(x-4)/(x˛+7)
*Wednesday, July 6, 2011 at 10:55pm by Reanna*

**Algebra II**

Give the equations of any vertical asymptotes for the graphs of the rational functions. f(x)=(x-4)/(x˛+7)
*Thursday, July 7, 2011 at 12:51pm by Matt*

**Algebra**

After solving a rational equation, why is it important to check your answer? How is this done? What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?
*Thursday, October 6, 2011 at 9:28pm by Hazel*

**algebra**

after solving a rational equation, why is it important to check your answer? How is this done? What happens if you are checking a solution for the rational expression and find that it makes one of the denominators in the expression equal to zero?
*Thursday, January 26, 2012 at 4:53pm by debby*

**math(rational functions application)**

Call the speeds j and c. j - c = 100 -> j = 100 + c (100 + c) = 5c / 4 (from the "25% faster") Solve for c.
*Thursday, October 22, 2009 at 6:23pm by jim*

**math help me!!**

No, it is not rational. sqrt(56)=sqrt(4*14)=sqrt(4*2*7) sqrt2, sqrt 7 are irrational. The only square roots that are rational are squares of rational numbers.
*Wednesday, April 13, 2011 at 7:17pm by bobpursley*

**math/What is a interval in math terms?**

i hate u why do we have these things tell me this why can we just go back 2 simple functions%Pr
*Tuesday, January 30, 2007 at 4:22pm by lynese*

**Math(dispute to previous question)**

2)Name the sets of numbers to which 457 belongs. (answer)natural,whole,integers,rational,reals My book says that every REAL number has to be rational or irrational. Blueridge said that my answer was correct except to exclude rational from my list. From what my book says I HAVE...
*Sunday, February 24, 2008 at 3:21pm by Jon*

**Math**

not much to do except define at described. There are several functions which work with this kind of condition: Thomae's function, which is 1/q when x=p/q (rational), and 0 when x is irrational Dirichlet function is just as you describe
*Thursday, September 20, 2012 at 12:08am by Steve*

**Math**

By the way if you tried all possible rational roots results on the first problem using factors of the first and last term 3 and 4 ( 3, 2, 4) you would have found that it has no rational factors by the rational root test.
*Saturday, September 8, 2012 at 8:37pm by Damon*

**Math answer check**

if your quadratic has rational roots then it would factor, it does not Also the discriminant would have to be a perfect square for rational roots. It is not. b^2 - 4ac = 25-4(1)(3) = 13 so you would have two different irrational roots
*Sunday, November 9, 2008 at 7:07pm by Reiny*

**Math - Simple rational Function (check)**

Consider the function f(x) = x/(x-1) Are there any turning points? Explain how this could help you graph f(x) for large values of x? Ans: turning points is another word for checking the concavity, and therefore i find the second derivative and equate it to zero and see where ...
*Monday, October 25, 2010 at 10:45am by Anonymous*

**math**

You can expand the binomial, however, most rational folks would think the form you have is in simple form.
*Friday, June 20, 2008 at 9:35am by bobpursley*

**9th grade**

Name the set(s) of numbers to which 1.68 belongs. a. rational numbers b. natural numbers, whole numbers, integers, rational numbers c. rational numbers, irrational numbers d. none of the above my answer a)rational numbers
*Monday, September 20, 2010 at 2:53pm by Ross*

**Math-limits**

In calculating the limit of a rational fraction, if the denominator does not evaluate to zero, the limit is found be simply substituting the limit of x for x. If the denominator evaluates to zero, and so does the numerator, we can see if there is a common factor. If there is, ...
*Tuesday, February 1, 2011 at 10:28am by MathMate*

**Pre-Calc-Please check**

Is this correct? Using Rational Roots Theorem, list all possible rational root of f(x) = 2x^3 - 3x^2 + 5x+6 Possible roots are p/a = -+1, -+2, +-3, -+6. -+3/2
*Tuesday, January 10, 2012 at 11:09am by Julia*

**rational functions**

If f(x) is a polynomial function, does 1/f(x) always have a horizontal asymptote? Explain why or why not and provide a counterexample if needed.
*Saturday, May 2, 2009 at 10:23am by Anonymous*

**7/8 Math**

An Irrational Number is a real number that cannot be written as a simple fraction A rational number is a number that can be written as a simple fraction
*Wednesday, November 7, 2012 at 9:51pm by Many*

**math**

HELP. Help I have to decide whether these are rational or irrational. .73737373... .61611611161111..... 1/23 Can someone explain this to me? Rational numbers are just fractions. The decimal expansion of fractions will either terminate or it will become periodic after a while. ...
*Sunday, May 6, 2007 at 2:23pm by Kimberly*

**Math - Rational Roots**

1.) What are the possible rational roots of the function f(x) = 3x^4 - x - 2 2.) What are the rational roots of the following equation: x^3 - 4x^2 - 4x +16 = 0 Thank you for any help!
*Sunday, September 12, 2010 at 9:39pm by Julia*

**Factor Theorem Math**

There must be a typos somewhere if they expect you to find rational zeros. There are none. Or, they knew that, and just want you to use some numeric methods like bisection, secants, Newton's method, etc. However, since the problem is in a section discussing the Factor Theorem...
*Sunday, October 28, 2012 at 11:36am by Steve*

**Math**

Identify all sets to which the number 3 belongs A. Whole numbers, integers, rational numbers B. Rational numbers C. Integers, rational numbers D. Even numbers, whole numbers, integers, rational numbers I THINK IT'S A
*Wednesday, December 12, 2012 at 4:04pm by Frances*

**wxmaxima help math mate!**

It is still not clear to me what the functions should be. I have put the variable x inside of all the functions (log, atan and exp) for the simple reason that log() does not take a negative argument. Check the following link and confirm that the functions are correct: http://...
*Tuesday, March 8, 2011 at 12:42pm by MathMate*

**Reiny and steve do this for me please**

1. Consider the functions f(x)=1/(x)+4 and g(x)=2/(x). Graph f and g on the same grid. a) Determine the points of intersection of the two functions. b) Show where f(x)<g(x). c) Solve the equation 1/(x)+4=2(x) to check your answer to part a). d) Solve the inequality 1/(x)+4&...
*Monday, December 16, 2013 at 4:44pm by Joan*

**Math**

What is an example of two functions that intersect at least twice in the first quadrant but can neither be a polynomial or a "simple" function (i.e., sin(x), e^x)?
*Saturday, April 9, 2011 at 8:37pm by Joe Schmo*

**math**

which statement is false? A: 3.648 reapeating=is rational B:-3 2/13=rational
*Friday, February 15, 2013 at 9:31pm by Taylor*

**simple subject and predicate**

We'll be glad to check your answer. Hint: The simple subject is one word -- a noun or pronoun. The simple predicate is the verb.
*Wednesday, April 6, 2011 at 6:11pm by Ms. Sue*

**Math-Rational #'s**

each of the numbers you are starting with is already a rational number.
*Monday, March 15, 2010 at 8:52pm by Reiny*

**Maaaaath**

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 9:03pm by Anonymous*

**calculus**

For rational functions, first step is to see if the degree of the numerator is higher than that of the denominator. If this is the case (as in the present problem), do a long division to reduce the numerator to a degree lower than that of the denominator. Thus: (x^3)/((x^2)+1...
*Sunday, March 7, 2010 at 4:39pm by MathMate*

**algebra**

List all possible rational zeros given by the Rational Zeros Theorem (but don't check to see which actually are zeros). (Enter your answers as a comma-separated list.) S(x) = 6x4 − x2 + 6x + 12
*Saturday, June 25, 2011 at 1:29pm by kelley*

**math**

pretty broad question. Some examples: All polynomials are differentiable. Rational functions are differentiable except where their denominator is zero All exponental functions are differentiable, as long as their epxonents are. Same for logs, where domain > 0 Things with ...
*Tuesday, December 13, 2011 at 8:58am by Steve*

**Math**

Why is it necessary to perform a check when solving rational equations?
*Thursday, August 5, 2010 at 7:08pm by Jayde*

**math**

1) rational...notice the repeating unit 213699 2) correct 3) irrational no repeats 4)correct notice the 89 repeating, rational. If there are any repeating units in the decimal portion, it is rational.
*Wednesday, September 17, 2008 at 4:52pm by bobpursley*

**advanced functions/precalculus**

1. The function f(x) = (2x + 3)^7 is the composition of two functions, g(x) and h(x). Find at least two different pairs of functions g(x) and h(x) such that f(x) = g(h(x)). 2. Give an example of two functions that satisfy the following conditions: - one has 2 zeros - one has ...
*Wednesday, January 15, 2014 at 2:33am by Diane*

**6TH GR. ALGEBRA **

EXTENDING THE LESSON If you add any two rational numbers, the sum is always a rational number. So, the set of rational numbers is closed under addition. Is the set of rational numbers closed under subtraction. multiplication,and division also? Explain.
*Wednesday, December 16, 2009 at 6:32pm by Amelia*

**Algebra 1**

rational numbers can be represented as fractions of integers 3 is rational, 15/5 is a integer fraction that represents it. irrational numbers cannot be written as a whole integer fraction, such as sqrt5 Another difference, as a decimal, rational numbers repeat, such as 1....
*Thursday, September 20, 2007 at 6:07pm by bobpursley*

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