Questions on Algebra: Functions, Domain, NOT graphing answered by real tutors!

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Question 459330: what is the domain of the function g(x)=6x/x^3+x?

how do i form a polynomial whos zeros and degree are given (zeros: -2,2,9; degree: 3)?
thank you
Click here to see answer by edjones(8007)

Question 459571: find:(f∘g)(3) where f(x)=4x+1 and g(x)=x�+1

Click here to see answer by Edwin McCravy(20056)

Question 459713: How do I find the steps to
A=Pe^rt
A=1000e^(0.1*10)
Click here to see answer by Alan3354(69443)

Question 459800: I need help solving ((( graph the function y= x^2 + 2x - 3 and identify the range if the domain is all real numbers)))
Click here to see answer by poliphob3.14(115)

Question 459922: hello! I am trying to solve for the domain of the square root of 5x-3
I thought it was all real numbers and I've tried everything.
Click here to see answer by nerdybill(7384)

Question 459922: hello! I am trying to solve for the domain of the square root of 5x-3
I thought it was all real numbers and I've tried everything.
Click here to see answer by stanbon(75887)

Question 459947: 2x+y=5 solve so that y is a function of x
Click here to see answer by richwmiller(17219)

Question 458803: I'm 46 years old and am trying to relearn algebra on my own. Any help is greatly appreciated.
How do I solve the following:
In baseball a player's batting average is the ratio of hits to the number of times he or she has batted. Thus if the player has an average of .300, it means he or she got 300 hits in 1000 at bats. In order to have an average of .300, how many hits would the batter have to get in 400 times at bat?
Click here to see answer by lwsshak3(11628)

Question 459569: f(x)=(x+3)(x-5)/(x+1)(X-4) find the domain and range
Click here to see answer by lwsshak3(11628)

Question 458793: Explain what the domain and range are of a function. Find the domain of your selected function while showing your work, and explain the process.
15.) f(x)=2x+1

Week 7 DQ #1
Show how to solve it using the substitution method, and explain this process.
Additionally, how do you know what the solution is when graphing a system of equations?
7.)
9x-2y= - 6
7x+8=y

Week 7 DQ #2
Show how to solve it using the elimination method, and explain this process.
1.)
Y=5 - 4X
2X-3Y=13

Thanks Thanks! Practice work! Very Lost!
Click here to see answer by lwsshak3(11628)

Question 458544: A piece of wire 16 inches long is to be cut in two parts. Each piece will be bent in the shape of a square. Find the expression that represents the total area of the two squares made with the pieces of wire as a function of the length, x, of one of the pieces.
Click here to see answer by lwsshak3(11628)

Question 458541: A grassy area is going to be planted inside the path of a racing track. The track is 10 feet wide. The maximum radii of the semicircle ends are both of length x, while the straight portions of the circuit are three times the length of the semicircle ends. Find the area of the section to be planted with grass as a function of the track's maximum radius, x.
Click here to see answer by lwsshak3(11628)

Question 458507: I can't find the domain and range of f(x)=-2(0.5)^x +1
Click here to see answer by lwsshak3(11628)

Question 457870: For the real-valued functions f(x)=2x+1 and g(x)=sqrt(x-1), find the composition f o g and specify its domain using interval notation.
Click here to see answer by lwsshak3(11628)

Question 457386: How do you find the domain and Range for this function
f(x) = 3log base 16 (x-2). Thank you
Click here to see answer by lwsshak3(11628)

Question 455937: 3. Change each exponential form to an equivalent logarithmic form:
a. 32 = 25
b. = 25�3/2
c. 12 = 1441/2

4. Change each logarithmic form to an equivalent exponential form:
a. log 3 81 = 4
b. log 10 0.0001 = �4
c.

Click here to see answer by lwsshak3(11628)

Question 453623: write the domain of f using interval notation if f(x)= (square root) 3-x.
Click here to see answer by lwsshak3(11628)

Question 453191: f(x)=4x over the square root of x minus 4 find the domain

Click here to see answer by lwsshak3(11628)

Question 460237: GRADES~ A STUDENT SCORES 75,86,72 ON THREE 100 POINT EXAMS. IF THE FINAL IS WORTH 150 POINTS FIND THE RANGE OF FINAL EXAM SCORES S THAT GIVES THE STUDENT AN OVERALL PERCENTAGE OF 80%OR HIGHER.
Click here to see answer by MathLover1(20850)

Question 460250: 3/2x+1/2y=6 write in function form
Click here to see answer by stanbon(75887)

Question 460379: Find the domain for this function. Express the domain in interval notation.
f(x)=(5x+6)/(x+4)

Click here to see answer by MathLover1(20850)

Question 460394: Decide whether or not the equation defines y as a function of x.
x=y^2-5
Click here to see answer by robertb(5830)

Question 460394: Decide whether or not the equation defines y as a function of x.
x=y^2-5
Click here to see answer by richard1234(7193)

Question 460413: I need help with writing a word problem it should be like this:
Devise it so that the solution is �Audrey can drive the rental truck for 50 mi without exceeding her budget.�

If someone can help me I would appreciate it tremendously....I am kind of stuck thinking about this one! Thanks in advance!!
Click here to see answer by richwmiller(17219)

Question 460501: what is the domain of f(x)= x squared minus 9
what is the domain of f(x)=square root of x+2
what is the range of f(x)=square root of x+2
what is the range of f(x)=x squared minus 4
I have been looking and trying to figure out these 4 prooblems for DAYS now! please help me!
Click here to see answer by edjones(8007)

Question 460569: I don't understand?
Table:
x y
0 30
1 15
2 7.5
3 3.75
4 1.875

a. Which kind of function best models the data?
b. Write an equation to model the data.
c. If the pattern shown in the table continues, what is the value of y for x = 6? Round to the nearest hundredth if necessary.
Click here to see answer by solver91311(24713)

Question 460608: what is the domain of this function?
Y=3x-11
Click here to see answer by MathLover1(20850)

Question 460660: what is the domain of the function 3x^2-1/x^2+1
Click here to see answer by MathLover1(20850)

Question 461251: What is the domain of p?
P(x)=x squared-2x+5
Can someone help me with the question, I am stuck. Thank you so much for your help.
Click here to see answer by MathLover1(20850)

Question 461313: on his final exam. gareth got 42 out of 45 questions correct. what fraction represents correct answers? what fraction represents incorrect answers?
Click here to see answer by richard1234(7193)

Question 461831: Given the function g described by g(x)=6x, find each of the following,
(a) g(-4)
(b) g(9)
(c) g(24)
Click here to see answer by solver91311(24713)

Question 462014: Can someone help me find the domain of the function?
p(x) = x2 - 2x + 3
*x2 in this equation is "x squared" I did not know how to use the symbol for squared.
Click here to see answer by katealdridge(100)

Question 462141: A function is given. Determine the average rate of change of the function between the given values of the variable.
f(x) = 6 − x2; x = 1, x = 1 + h
Click here to see answer by solver91311(24713)

Question 462174: a minor league baseball team plays 98 games in a season. if the team won 14 more than three times as many games they lost, how many wins and losses did the team have?
Click here to see answer by algebrahouse.com(1659)

Question 462226: 116. Grade of a Highway The grade x of a hill is a measure of the steepness and r responds to the slope of the highway. The accompanying figure shows a grade of x= 10/100 = 10% because the road rises 10 feet for every 100 feet of horizontal run. The braking distance D in feet for a car traveling 60 miles per hour on a wet uphill grade is given by
D(x) = 3600/30x + 9
(b) Find the grade x for a braking distance of 300 feet
Click here to see answer by stanbon(75887)

Question 462253: In this problem find domain of each function is what it says to do
f(x)=4x+7
Click here to see answer by richard1234(7193)

Question 462256: Amy paid $82.49 for a pair of running shoes during a 25% percent off sale. What was the regular price?
Click here to see answer by rfer(16322)

Question 462330: for the function 2y = 7x + 2, what numbers are needed to complete the table below?
Click here to see answer by math-vortex(648)

Question 462454: aaa=12
bbb21
ccc=?
Click here to see answer by JimboP1977(311)

Question 462797: Graph the equation using the slope and y intercept
y=9/5x+7
Click here to see answer by MathLover1(20850)

Question 462796: graph the system of inequalities
y>-5
x>6
Click here to see answer by MathLover1(20850)

Question 462798: Solve the compound inequality
5>-2x+4 or 10<-5x+3
Click here to see answer by MathLover1(20850)

Question 462835: f(x)=12/X^2+22x+105

What is the Domain of F?
Click here to see answer by katealdridge(100)

Question 462906: g(x)=10/1-7x
I need to choose a domain from the following:
x is a real number and (choose one of the answers below)
x is not equal to 1/7
x is not equal to 10
x is not equal to 0
x is greater than or equal to 1/7
I don't have any idea how to solve this. Please help me. Thank you.
Click here to see answer by Gogonati(855)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840, 6841..6885, 6886..6930, 6931..6975, 6976..7020, 7021..7065, 7066..7110, 7111..7155, 7156..7200, 7201..7245, 7246..7290, 7291..7335, 7336..7380, 7381..7425, 7426..7470, 7471..7515, 7516..7560, 7561..7605, 7606..7650, 7651..7695, 7696..7740, 7741..7785, 7786..7830, 7831..7875, 7876..7920, 7921..7965, 7966..8010, 8011..8055, 8056..8100, 8101..8145, 8146..8190, 8191..8235, 8236..8280, 8281..8325, 8326..8370, 8371..8415, 8416..8460, 8461..8505, 8506..8550, 8551..8595, 8596..8640, 8641..8685, 8686..8730, 8731..8775, 8776..8820, 8821..8865, 8866..8910, 8911..8955, 8956..9000, 9001..9045, 9046..9090, 9091..9135, 9136..9180, 9181..9225, 9226..9270, 9271..9315, 9316..9360, 9361..9405, 9406..9450, 9451..9495, 9496..9540, 9541..9585, 9586..9630, 9631..9675, 9676..9720, 9721..9765, 9766..9810, 9811..9855, 9856..9900, 9901..9945, 9946..9990, 9991..10035, 10036..10080, 10081..10125, 10126..10170, 10171..10215, 10216..10260, 10261..10305, 10306..10350, 10351..10395, 10396..10440, 10441..10485, 10486..10530, 10531..10575, 10576..10620, 10621..10665, 10666..10710, 10711..10755, 10756..10800, 10801..10845, 10846..10890, 10891..10935, 10936..10980, 10981..11025, 11026..11070, 11071..11115, 11116..11160, 11161..11205, 11206..11250, 11251..11295, 11296..11340, 11341..11385, 11386..11430, 11431..11475, 11476..11520, 11521..11565, 11566..11610, 11611..11655, 11656..11700, 11701..11745, 11746..11790, 11791..11835, 11836..11880, 11881..11925, 11926..11970, 11971..12015, 12016..12060, 12061..12105, 12106..12150, 12151..12195, 12196..12240, 12241..12285, 12286..12330, 12331..12375, 12376..12420, 12421..12465, 12466..12510, 12511..12555, 12556..12600, 12601..12645, 12646..12690, 12691..12735, 12736..12780, 12781..12825, 12826..12870, 12871..12915, 12916..12960, 12961..13005, 13006..13050, 13051..13095, 13096..13140, 13141..13185, 13186..13230, 13231..13275, 13276..13320, 13321..13365, 13366..13410, 13411..13455, 13456..13500, 13501..13545, 13546..13590, 13591..13635, 13636..13680, 13681..13725, 13726..13770, 13771..13815, 13816..13860, 13861..13905, 13906..13950, 13951..13995, 13996..14040, 14041..14085, 14086..14130, 14131..14175, 14176..14220, 14221..14265, 14266..14310, 14311..14355, 14356..14400, 14401..14445, 14446..14490, 14491..14535, 14536..14580, 14581..14625, 14626..14670, 14671..14715, 14716..14760, 14761..14805, 14806..14850, 14851..14895, 14896..14940, 14941..14985, 14986..15030, 15031..15075, 15076..15120, 15121..15165, 15166..15210, 15211..15255, 15256..15300, 15301..15345, 15346..15390, 15391..15435, 15436..15480, 15481..15525, 15526..15570, 15571..15615, 15616..15660