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July 30, 2014

July 30, 2014

Post a New Question | Current Questions

**medical Coding**

Can someone tell me if I coded this right. This 23-year-old female is brought to the emergency department after being found by her college roommate. Sometime within the last hour and a half after the roommate left, the patient ingested her entire bottle of verapamil (estimated...
*Tuesday, November 22, 2011 at 3:27pm*

**college math**

solve the equation 1). (x+4)(x-12)=5x 2). 4x^2+2x-14=16-17x
*Tuesday, November 22, 2011 at 2:59pm*

**Psychology**

Is this the correct answer I said C is the correct answer Jasmine is a college student, who is self-conscious and anxious in social situations and who tends to be a bit too trusting and tender-hearted when it comes to loaning money and clothing to her roommates. She constantly...
*Tuesday, November 22, 2011 at 12:56am*

**College Physics**

assuming that sea water has a density of 1.05 g/cm^3, what is the density of a submarine running submerged? wouldn't you need to know some other information; like the mass or volume of the submarine?
*Monday, November 21, 2011 at 10:49pm*

**ALGEBRA**

From a survey of 100 college students, a marketing research company found that 70 students owned iPhones, 35 owned cars, and 25 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)? b) How many students do not own either a car or an...
*Monday, November 21, 2011 at 8:43am*

**college physics**

A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.860 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.355 and he exerts a constant horizontal force ...
*Monday, November 21, 2011 at 12:33am*

**College Chemistry**

i measured out 2 different tared mass of TUMS sample. One is 0.1554g and the other 0.1546g. Then i did two titrations with the conclusion of one being 17.91mL of NaOH and the other 17.47mL my question is: "if you consumed two 1.00g tablets of TUMS, how many moles of acid ...
*Monday, November 21, 2011 at 12:32am*

**College Algebra..LOG**

log4(little four) (40 - 3x) = 0 now i need to solve for x...
*Sunday, November 20, 2011 at 10:06pm*

**college Algebra**

so i am suppose to to find the max value attained by… g(x) = -3x2 - 24x - 18. but my teacher said "There is a difference between determining the maximum value and naming the location of the maximum value." what does that mean??
*Sunday, November 20, 2011 at 10:06pm*

**college chemistry**

Hydrogen gas is produced when zinc reacts with sulfuric acid: Zn(s)+H_2SO_4(aq)---ZnSO_4(aq)+H_2(g) If 160 mL of wet H_2 is collected over water at 24 Celsius and a barometric pressure of 739 torr, how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 ...
*Sunday, November 20, 2011 at 8:54pm*

**College Algebra**

so i am suppose to to find the max value attained by… g(x) = -3x2 - 24x - 18. but my teacher said "There is a difference between determining the maximum value and naming the location of the maximum value." what does that mean??
*Sunday, November 20, 2011 at 8:52pm*

**College Algebra..LOG**

log4(little four) (40 - 3x) = 0 now i need to solve for x...
*Sunday, November 20, 2011 at 8:50pm*

**broward college**

a decrease in demand for a product, holding other things constant, will
*Sunday, November 20, 2011 at 6:08pm*

**ALGEBRA**

From a survey of 100 college students, a marketing research company found that 65 students owned iPhones, 40 owned cars, and 30 owned both cars and iPhones. (a) How many students owned either a car or an iPhone (but not both)?
*Sunday, November 20, 2011 at 5:34pm*

**College Algebra**

(ex)x·e4x + 4 = 1… so i need to solve for x…. how the hell do I do that???
*Sunday, November 20, 2011 at 12:24pm*

**college algebra... LOG**

log4(little 4) 8 how do i write this in y=?
*Friday, November 18, 2011 at 9:18am*

**Psychology Please Help!!**

One of the arguments against inherited racial differences in intelligence is based on data that shows: a. a college education reduces the gap between the IQ scores of white and black races. b. nutrition reduces the gap. c. scores for black test takers improve as they mature. d...
*Friday, November 18, 2011 at 12:06am*

**College pre-algebra**

how do I simplify the following expressions and show my work? 6+5[(12 div. by2)+5]. (4div.by2)+8(5-3)to the second power. -8-72Div.by9x4to the second power + 11.
*Thursday, November 17, 2011 at 9:48am*

**physics**

A college student is at a concert and really wants to hear the music, so she sits between two in-phase loudspeakers, which point toward each other and are 60.8 m apart. The speakers emit sound at a frequency of 428.75 Hz. At the midpoint between the speakers, there will be ...
*Thursday, November 17, 2011 at 5:51am*

**physics**

A college student is at a concert and really wants to hear the music, so she sits between two in-phase loudspeakers, which point toward each other and are 60.8 m apart. The speakers emit sound at a frequency of 428.75 Hz. At the midpoint between the speakers, there will be ...
*Wednesday, November 16, 2011 at 6:35pm*

**college alegebra**

Can someone please help me!!!!!! Find th eequation of the line containing the point P and having the slope m. Write your answer in slope intercept form. Graph this line. P= (0,0) M = 0
*Wednesday, November 16, 2011 at 10:40am*

**physics**

A college student is at a concert and really wants to hear the music, so she sits between two in-phase loudspeakers, which point toward each other and are 60.8 m apart. The speakers emit sound at a frequency of 428.75 Hz. At the midpoint between the speakers, there will be ...
*Wednesday, November 16, 2011 at 6:31am*

**college chemistry**

What is the ratio of KC2H3O2 and HC2H3O2 in a buffer with a pH of 5.25? Ka = 1.8 x10-5?
*Wednesday, November 16, 2011 at 12:19am*

**math 140**

You intend to create a college fund for your baby. If you can get an interest rate of 5.3% compounded monthly and want the fund to have a value of $123,875 after 17 years, how much should you deposit each month? $413.01 $7032.70 $319.14 $375.46
*Tuesday, November 15, 2011 at 9:02pm*

**College Physics**

A steel piano string for the note middle C is about 0.68 m long and is under a tension of 400 N. If the fundamental frequency is 226 Hz, what is the string’s diameter? I have tried it several times and continue to get an incorrect answer.
*Monday, November 14, 2011 at 2:27pm*

**2nd Semester Classes**

I just need someone's personal opinion. I have started looking for a job when I get out of college and graduate with a zoology degree. One thing I have always wanted to do is train marine mammals and it turns out that I am eligable for a position at SeaWorld with orcas, ...
*Monday, November 14, 2011 at 1:03am*

**statistics**

based on a random sample of 640 college students, the mean amount of sleep college students. construct a 95% confidence interval for the mean amount of sleep per night for college studenrs.
*Sunday, November 13, 2011 at 10:21pm*

**College Calculus**

A 13-foot ladder is leaning against a vertical wall. If the bottom of the ladder is being pulled away at a rate of 2 feet per second, how fast is the area of the triangle formed by the wall, the ground, and the ladder changing when the bottom is 12 feet away from the wall?
*Sunday, November 13, 2011 at 9:31pm*

**---college algebra (average rate of change)---**

If the average rate of change of g(x) from x = 1 to x = 9 is 20, and if the average rate of change of g(x) from x = 9 to x = 21 is 40, then what is the average rate of change of g(x) from x = 1 to x = 21?
*Sunday, November 13, 2011 at 8:21pm*

**Comm 100 college**

Persuasive speeches focus on forcing the audience to change the way it thinks and feels. TRUE OR FALSE I just wanted to double check on this, because I don't think you are for say "forcing" them to think differently, but giving them the info to let them possibly...
*Sunday, November 13, 2011 at 7:08pm*

**University College of Applied Sciences **

A rectangular object is 25 cm tall , 15 cm wide , and 10 cm deep .what is its volume in cubic centimeters , liters , and kiloliters ?
*Sunday, November 13, 2011 at 6:31pm*

**Comm 100 college**

The most important principle of language adaptation is to A.adapt the level of language to the situation and the audience. B.adapt to less formal and more colloquial so that all people will understand you. C.adapt to spoken and written substandard language A?
*Sunday, November 13, 2011 at 5:58pm*

**College Calculus**

A light is on the ground 20m from a barn. A 2m tall llama walks from teh light directly toward the side of the barn at 1m/s. How fast is the height of the llama's shadow on the barn changing when he's 14m from the barn? (draw and label a nice diagram first!)
*Sunday, November 13, 2011 at 12:42pm*

**Social Studies**

what is your primary duty if you are at electoral college
*Saturday, November 12, 2011 at 3:19pm*

**college physics**

What distance will a 10 hp motor lift a 2000 lb elevator in 30 s? What was the average velocity of this elevator during the lift?
*Friday, November 11, 2011 at 10:00pm*

**college math**

use long division 1.2x3+3x2-17x+1 /x-2 2.y3+3y2+1 /y-2 3.n5-n2 /n2-n
*Friday, November 11, 2011 at 2:23pm*

**MATH**

Assume that the population of heights of male college students is approximately normally distributed with mean of 72.15 inches and standard deviation of 6.39 inches. A random sample of 96 heights is obtained. Show all work. (A) Find P (x > 73.25) (B) Find the mean and ...
*Friday, November 11, 2011 at 1:20pm*

**college algebra**

The area of a rectangular swimming pool is given by 4x^2+19x+12ft^2.One side length of the pool is given by 4x + 3 feet. What is an algebraic expression for the other side length of the pool?
*Friday, November 11, 2011 at 5:28am*

**pre- calc**

area of a parking lot: One campus of Houston community college has plans to construct a rectangular parking lot on land bordered on one side by a highway. there are 640 feet of fencing available to fence the sides. let x represent the length of each off the two parallel sides ...
*Thursday, November 10, 2011 at 7:57pm*

**stats**

This week we practice with Binomial Distribution. You can use Appendix Table E or Excel Function Binomdist. About 30% of adults in United States have college degree. (probability that person has college degree is p = 0.30). If N adults are randomly selected, find probabilities...
*Thursday, November 10, 2011 at 5:18pm*

**College Statistics**

A random sample of greeting cards is a mean value of $2.55 and a standard deviation of $0.44 So construct a 95% confidence interval estimate of the mean value of all cards in the store's inventory. So if the 2500 cards in the inventory then how are the results in assisting...
*Wednesday, November 9, 2011 at 10:11pm*

**college chemistry**

what is the molarity of NaF in the final solution if a solution was prepared by mixing 35.0mL of 0.200M NaF with 28.5mL of 0.350M NaF
*Wednesday, November 9, 2011 at 11:14am*

**college math excursions**

what is the next number sequence for 0,10,24,56,112,190
*Tuesday, November 8, 2011 at 11:03am*

**College economics**

The long-run supply curve for a good is a horizontal line at a price $3 per unit of the good. The demand curve for the good is QD = 50-2P. (a) What is the equilibrium output of the good? (b) A $1 excise tax is imposed on the good. What will be the long-run effect on the ...
*Tuesday, November 8, 2011 at 9:31am*

**Math College**

A 6-sided die is rolled 14 times. What is the probability of seeing a "6" at least 2 times? I am sooo clueless please help!
*Monday, November 7, 2011 at 2:25pm*

**college math**

20. Calculate the range, variance, and standard deviation of the following data set: 5, 5, 6, 6, 6, 8, 8, 8, 8, 10, 10, 11, 12, 12, 20 (Points: 5) Range = 15; Variance = 225; Standard Deviation = 7.5 Range = 3.85; Variance = 14; Standard Deviation = 3.74 Range = 20; Variance...
*Monday, November 7, 2011 at 1:41pm*

**college math**

18. Please answer questions 18-19 using the following information: Class Scores Frequency - f Lower limit < score < upper limit 20-30 6 30-40 10 40-50 12 50-60 8 60-70 4 What is the probability that a selected observation is between 40 and 50? (Points: 5) 0.25 0.30 0.40...
*Monday, November 7, 2011 at 1:40pm*

**college math**

16. A study of a manufacturing process indicates that 120 of 6,000 units produced are defective. If a sampler selected 100 units, how many defective units would he expect to be present? (Points: 5) 2 5 6 10 17. Six red balls and four blue balls are placed in a container. What ...
*Monday, November 7, 2011 at 1:39pm*

**college math**

15. Records at a high school indicate that each year for the past five years, 120 of the 1,500 students were absent on the first day of hunting season. What is the likelihood that a particular student will be absent on the first day of hunting season this year? (Points: 5) 0....
*Monday, November 7, 2011 at 1:35pm*

**college math**

14. A probability is always expressed as a value from: (Points: 5) 0 and 1. -1 and 1. 0 and 100. 0 and 10.
*Monday, November 7, 2011 at 1:34pm*

**college math**

10. For questions 10-13, use the following data: 13 29 41 60 89 14 26 53 7 14 What is the arithmetic mean of the data? (Points: 5) 20 14 34.6 82 11. What is the range of the data? (Points: 5) 14 34.6 82 50 12. What is the variance of the data? (Points: 5) 231.04 616.64 685.16...
*Monday, November 7, 2011 at 1:25pm*

**college math**

8. Sample data on employee age for a large auto parts manufacturer are as follows: Employee Age Frequency 25-29 25 30-34 33 35-39 62 40-44 26 45-49 31 50-54 8 What is the mean age of the employees? (Points: 5) 37 37.32 37.78 38.83
*Monday, November 7, 2011 at 1:02pm*

**$$college algebra$$**

Consider g(x) = -2x2 + 36x - 142 for x > 9. Find g-1(12). If this value does not exist, the type DNE in the space provided.
*Sunday, November 6, 2011 at 10:10pm*

**---college algebra (average rate of change)---**

Find the average rate of change of g(x) = -2x2 + 36x - 142 on the interval from x = -5 to x = 10.
*Sunday, November 6, 2011 at 9:54pm*

**College Physics**

A steel piano string for the note middle C is about 0.68 m long and is under a tension of 400 N. If the fundamental frequency is 226 Hz, what is the string’s diameter?
*Sunday, November 6, 2011 at 8:49pm*

**College Physics**

A child plays on a bungee cord and oscillates with a certain frequency f. An adult with a mass that is 16 times greater than that of the child then uses the same bungee cord. What is the ratio of the frequency with the adult to the frequency with the child? I tried to answer ...
*Sunday, November 6, 2011 at 7:32pm*

**statistics**

Help me! Population of heights of college students is approximately normally distributed with a mean of 64.37 inches and standard deviation of 6.26 inches A random sample of 74 heights is obtained. Find the mean and standard error of the x bar distribution 2. Find P(xbar > ...
*Sunday, November 6, 2011 at 7:28pm*

**College Algebra**

Use rational root theorem and the factor theorem to help solve the following equation X4-2x3-13x2+38x-24=0
*Sunday, November 6, 2011 at 4:48pm*

**Physics (College)**

One simple model for a person running the 100 m dash is to assume the sprinter runs with constant acceleration until reaching top speed, then maintains that speed through the finish line. If a sprinter reaches his top speed of 10.8 m/s in 2.54 s, what will be his total time?
*Friday, November 4, 2011 at 11:22pm*

**Physics (College)**

A car starts from rest at a stop sign. It accelerates at 2.0 m/s^2for 6.0 seconds, coasts for 2.0 s, and then slows down at a rate of 1.5 m/s^2 for the next stop sign. How far apart are the stop signs?
*Friday, November 4, 2011 at 9:49pm*

**English-Urgent**

I have to find the subjects and verbs in all these sentences, please let me know if I did it correctly. Thank you. A guy whom I work with has a theory about college students. (Verb=work, has) (Subject=guy, theory) He believes that students' majors reflect their ...
*Friday, November 4, 2011 at 6:50pm*

**English**

Directions: Revise the following sentences to eliminate unnecessary shifts in tense, mood, voice, or person and number and between direct and indirect discourse. Most of the items can e revised in more than one way. Examples: • When a person goes to college, you face many...
*Friday, November 4, 2011 at 6:19pm*

*****college algebra*****

Let h(x) = x3/2(x - 7)1/3 and g(x) = 200x3 - 47x2 + 9017x + 3. Utilize this information to find the value of (g o h)(7). I worked it out and came up with the answer 1421313.733.... i feel like this isnt right... please feel free to comment :)
*Friday, November 4, 2011 at 1:41pm*

**college Algebra**

Find the number of years for $4800 to grow to $9400 at 6% compounded quarterly. Round to the nearest tenth of a year.
*Friday, November 4, 2011 at 1:25pm*

**College Algebra**

Evaluate the function y=2.55^(x+1) at the value x=1.83
*Friday, November 4, 2011 at 11:44am*

**college algebra**

Let g(x) = 0.5x + 18. Write the rule for g-1(x). Then, evaluate g-1(x) at x = 20. Enter this result in the space provided.
*Friday, November 4, 2011 at 8:44am*

**MATH**

Assume that the population of heights of male college students is approximately normally distributed with mean of 72.83 inches and standard deviation of 6.86 inches. A random sample of 93 heights is obtained. Show all work. (A) Find the mean and standard error of the x ...
*Thursday, November 3, 2011 at 4:39pm*

**College math **

Can you explain to me how to write 1/3 as a percent?
*Thursday, November 3, 2011 at 3:08pm*

**psychology**

Time Remaining: 1. If the concept is truck, the prototype might be: (Points: 5) a Ford pick up. bulldozer. gravel eighteen wheeler. personnel carrier. 2. If the prototype is block or ball, the concept is: (Points: 5) construction. toy. child. play. 3. All major cities have a ...
*Wednesday, November 2, 2011 at 9:45pm*

**psychology**

One of the arguments against inherited racial differences in intelligence is based on data that shows: (Points: 5) a college education reduces the gap between the IQ scores of white and black races. nutrition reduces the gap. scores for black test takers improve as they mature...
*Wednesday, November 2, 2011 at 9:37pm*

**Enriched College Writing**

I am reading an essay from Robert Bellah called, "Community, Commitment, and Individuality" and he mentions the phrase "community of memory and hope". What does he mean by this? Explaining it in simpler words would be very helpful! :) Thanks!!!!!!
*Wednesday, November 2, 2011 at 2:14pm*

**English**

Could you please check these sentences? Thank you. 1) Have you thought about (of?) selling your second-holiday home? Have you considered selling your house? 2) She mentioned selling her house and moving into a smaller one. She doesn't feel like having an ice cream. 3) ...
*Wednesday, November 2, 2011 at 10:16am*

**Anatomy**

Zeke and Drew are a couple of incoming freshmen hopefuls for the Ferrum basketball and football teams. They dont just want to have a shot at making the team; they feel they can be starters if they are well conditioned. Zeke is 6'7" and about 188 pds, and was a star on...
*Tuesday, November 1, 2011 at 11:28pm*

**Anatomy**

Zeke and Drew are a couple of incoming freshmen hopefuls for the Ferrum basketball and football teams. They dont just want to have a shot at making the team; they feel they can be starters if they are well conditioned. Zeke is 6'7" and about 188 pds, and was a star on...
*Tuesday, November 1, 2011 at 11:19pm*

**College Physics**

A simple Atwood’s machine uses a massless pulley and two masses m1 and m2. Starting from rest, the speed of the two masses is 6.7 m/s at the end of 6.1 s. At that time, the kinetic energy of the system is 85 J and each mass has moved a distance of 20.435 m Find the value...
*Tuesday, November 1, 2011 at 8:53pm*

**COLLEGE**

My parents say I should be a doctor but I want to be what I want. They're forcing me to be one cause the rest of my family is. WHAT SHOULD I DO? D:
*Tuesday, November 1, 2011 at 7:25pm*

**hw check eng**

1. Jordan was studying for his criminal justice exam, and his brother offered to help him study. He went over each of the questions with him. a. Jordan was studying for his criminal justice exam, and his brother offered to help him study; so he went over each of the questions ...
*Tuesday, November 1, 2011 at 7:05pm*

**College algebra**

system of linear equation The sum of 3 numbers is 14 the largest is 4 times the smallest the sum of the smallest and twice the largest is 18 what are the 3 numbers? show work? A. how many unknowns you have? -how many equations need to be solve for that many unknown? B. what ...
*Tuesday, November 1, 2011 at 6:34pm*

**HOMEWORk check english**

1. Jordan was studying for his criminal justice exam, and his brother offered to help him study. He went over each of the questions with him. a. Jordan was studying for his criminal justice exam, and his brother offered to help him study; so he went over each of the questions ...
*Tuesday, November 1, 2011 at 4:34pm*

**Homework check english**

1. Jordan was studying for his criminal justice exam, and his brother offered to help him study. He went over each of the questions with him. a. Jordan was studying for his criminal justice exam, and his brother offered to help him study; so he went over each of the questions ...
*Tuesday, November 1, 2011 at 1:52pm*

**statistics**

Suppose a random sample of 25 students is selected from a community college where the scores in the final exam (out of 125 points) are normally distributed, with mean equal to 112 and standard deviation equal to 12. Find the probability that the sample mean deviates from the ...
*Monday, October 31, 2011 at 5:33pm*

**College Chemistry**

One mole of H2O(g) at 1.00 atm and 100.°C occupies a volume of 30.6 L. When one mole of H2O(g) is condensed to one mole of H2O(l) at 1.00 atm and 100.°C, 40.66 kJ of heat is released. If the density of H2O(l) at this temperature and pressure is 0.996 g/cm3, calculate &...
*Monday, October 31, 2011 at 3:21pm*

**College Chemistry**

As a system increases in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The piston is working against a pressure of 0.500 atm. The final volume of the system is 58.0 L. What was the initial volume of the system if the internal energy of the ...
*Monday, October 31, 2011 at 3:18pm*

**College Chemistry**

Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 50. cm3. If the combustion of this mixture releases 955 J of energy, to what volume will the gases expand against a constant pressure of 675 torr if all the energy of combustion is...
*Monday, October 31, 2011 at 3:16pm*

**college algebra**

use the given zero to find the remaining zeros of each function.g(x)=x^3+3x^2+25x+75;zero:-5i
*Monday, October 31, 2011 at 1:35pm*

******college algebra******

Let h(x) = 3x + 4. For what value of x is (h o h)(x) = h(x). If no such value exists, type DNE in the space provided.
*Sunday, October 30, 2011 at 11:08pm*

******college algebra******

Let g(x) = -2x + 8 and h(x) = 3x + 4. For what value of x is composition (g o h)(x) = (h o g)(x). If no such value exists, type in DNE in the space provided.
*Sunday, October 30, 2011 at 11:00pm*

******college algebra******

Let g(x) be a rational function with a numerator of 6x2 + 12x - 48 and a denominator of 2x2 - 8. Use this information to evaluate g(8).
*Sunday, October 30, 2011 at 10:36pm*

**college algebra**

Let g(x) be a rational function with a numerator of 6x2 + 12x - 48 and a denominator of 2x2 - 8. Use this information to evaluate g(8).
*Sunday, October 30, 2011 at 10:33pm*

**math**

between 1998 and 2004, the number of college freshman who planned to get a professional degree computer science can be reasonably modeled by f(x)=-348.2x^2+1402x+13,679 where x=0 represenjts 1998. based on this model, in what year did the percent of freshman planning to get a ...
*Sunday, October 30, 2011 at 9:33pm*

**English**

Is "sinecure" used correctly in this sentence: He studied hard throughout college to get a sinecure job.
*Sunday, October 30, 2011 at 5:42pm*

**algebra**

i need help with my math for college, im currently a little behind, ive had 2 tutors but the tutors that ive had dont really know what there doing, this is stressful and im hopig someone who knows what there doing can help me
*Sunday, October 30, 2011 at 2:01pm*

**College**

borrowed $42,400 for 5 years interest rate 2.5%
*Sunday, October 30, 2011 at 2:01am*

**Intro To college math**

Find the future value, using the future value formula and a calculator. (Give your answer to the nearest cent.) $42.31 at 4.5% compounded semiannually for 4 years.
*Saturday, October 29, 2011 at 9:44pm*

**college algebra**

Find the bounds on the real zeros of the following function. f(x)=x^5-5x^4+8x+2
*Saturday, October 29, 2011 at 8:23pm*

**college algebra**

Form a polynomial, f(x), with real coefficients having the given degree and zeros. Degree 3; zeros: 1 + i and -10
*Saturday, October 29, 2011 at 8:20pm*

**college algebra**

Find the real and complex zeros of the following function. f(x)=x^3-3x^2+25x+29
*Saturday, October 29, 2011 at 8:16pm*

**college algebra**

Find the real and complex zeros of the following function. f(x)=x^3-3x^2+25x+29
*Saturday, October 29, 2011 at 8:16pm*

**college algebra**

Use the intermediate value theorem to determine whether the polynomial function has a zero in the given interval. f(x)=8x^5-4x^3-9x^2-9;[1,2]
*Saturday, October 29, 2011 at 8:12pm*

**college allgebra**

f(x)=x^6+4x^5+4x^4+3x^3-x^2-5x+4 Find the maximum number of real zeros, and Use Descartes's rule of signs to determine how many positive and how many negative zeros the function has. You do not need to find the zeros.
*Saturday, October 29, 2011 at 7:43pm*

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