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

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Question 567523: I am taking an algebra class involving functions. I can not find what "choose an integer close to the origin" means. It says to choose any value to substitute for x, but the ones I choose turns out wrong, how do I choose the right values? Thankyou in advance.
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Question 567578: 10x/2+1 =64 find the value of x
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Question 567789: The following function is one to one find its inverse.Find the domain and range of
f and f^-1
f(x)=3x+1/4

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Question 567928: the value of y varies with x and y=12 when x=-6 find y when x=-4
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Question 567954: Solve the following function.Show all work
24^x=1

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Question 568191: What is the domain for d(x)=x+3
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Question 568428: What is the value of f(-3). The equation is f(-3)?f(x) = 2x second power+ 5x-9
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Question 568415: Hi, I'm taking an online math class as a freshman in high school and I'm making a 65 because I can't figure out how to work the problems can you help me by explaining how to do this problem with all the steps
if h(x)=3x+2 and g(x)=f(x)-2, then what does g(3)=

Click here to see answer by jim_thompson5910(28476) About Me 

Question 568532: Which of the following is NOT included in the domain of f(x)=6x+2 divided by x square-9? a.3 b.-3,3 c.9 d.-3
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Question 568557: Hi,
could you please tell me how I would go about finding the solution to this problem:
if
f(2) = 3 and f(6) = 5, then what is f(10) ?
Thank you very much!

Click here to see answer by jim_thompson5910(28476) About Me 

Question 568572: 23>-x/2-5
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Question 568572: 23>-x/2-5
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Question 568654: What is the domain of SQRT((x+5)/(x^2-25))
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Question 568736: what's the domain of the function:
x^2-4/x-2

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Question 569216: Find ƒ(–5) for each function.
ƒ(x) = 5x + 35
ƒ(x) = 5x + 35

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Question 569622: how do i graph constant function of f(x)=2 and use the graph to identify domain and range of f

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Question 569874: What is the value of B in the equation A = (h/2)(B+b)
Click here to see answer by nerdybill(6948) About Me 

Question 569869: Can this be solved... 21 square root of 35 over 7 square root of 5?
Thank you. How did you do it?
Thanks again.

Click here to see answer by stanbon(57219) About Me 

Question 570062: Find (g of f)(x) and domain of (g of f)
f(x)=4x+5
g(x)= 2/x
(g of f)(x)= Simplified answer...
Domain of (g of f)...

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Question 570165: what is the slope of a binomial (-2,4) (-4-4)

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Question 570371: Determine whether the function has an inverse function, and if so, find the inverse: QUOTE
The number N of bacteria in a refrigerated food is given by
where T is the temperature of the food (in degrees Celsius). When the food is removed from refrigeration, the temperature of the food is given by: QUOTE

where t is the time (in hours).
Find the composition N(T(t)) and interpret its meaning in context.
Find the number of bacteria in the food when t = 2 hours.
Find the time when the bacteria count reaches 2000.

Click here to see answer by stanbon(57219) About Me 

Question 570532: Rosa works due north of home. Her husband Ray works due east. They leave for work at the same time. By the time Rosa is 5 miles from home the distance between them is one mile more than Ray's distance from home. How far from home is Ray?
Click here to see answer by Earlsdon(6287) About Me 

Question 570711: Can you solve this by graphing?
y=-3x+3
6x+y=6
The solution set is what? Type an ordered pair ( )

Thank you!

Click here to see answer by mananth(12270) About Me 

Question 570769: find the domain of function :
f(x)= √(15-3x )
what is the domain of f?

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Question 570877: Please help me solve this equationf%28x%29=1%2F2+x%2B3
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Question 571039: If f(x)= x^2 + 3, g(x)=4x, the value of g(f(6)) is ?
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Question 571039: If f(x)= x^2 + 3, g(x)=4x, the value of g(f(6)) is ?
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Question 571130: Sorry I forgot to write out the pair of lines
3x+8=y
2y=6x-3
are these lines parallel?

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Question 571130: Sorry I forgot to write out the pair of lines
3x+8=y
2y=6x-3
are these lines parallel?

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Question 571128: I have to determine whether the graphs of each pair of lines are parallel...Please help.
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Question 571210: The point (6,-3) is on the graph of y=f(x). Find the corresponding point on the graph of g(x)=f(3x)
Big troubles on this one for some reason...any help is greatly appreciated.

Click here to see answer by richard1234(5390) About Me 

Question 571211: A little help and understanding with this one is greatly appreciated...
Find f(x) and g(x) such that h(x) = (f o g)(x).
h(x) = |6x + 9|

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Question 571300: What is the domain of y=x^3-4
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Question 571611: Can someone please help with this?
f(x) = 3x^2 -2x
f(0)=
f(-1)=
f(2)=

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Question 571611: Can someone please help with this?
f(x) = 3x^2 -2x
f(0)=
f(-1)=
f(2)=

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Question 571715: what is the solution of g(-3)? explained

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Question 571728: which relation is also a function {(2,0),(3,2),(2,3)} {(0,0),(3,0),(5,0)} {(3,1),(3,2),(3,3)} {(5,2),(5,4),(2,6)}
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Question 572132: Let f(x) = 6x − 8 and g(x) = 3x + 9.Write a formula for the following function.
g − f
I tried 3x+9-6x-8 and it was wrong, I also tried the simplified version, -3x+1 and it was wrong as well.

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Question 572132: Let f(x) = 6x − 8 and g(x) = 3x + 9.Write a formula for the following function.
g − f
I tried 3x+9-6x-8 and it was wrong, I also tried the simplified version, -3x+1 and it was wrong as well.

Click here to see answer by akch2002(4) About Me 

Question 572274: 1. (4a^3+2b)(5a-3b^2)=
2. (16x^2+50x-21)/(2x+7)=
3. 9(x+4)=2(5x-3) What does x=?
4. 5&1/3x-15=7x+15 What does x=?
Thank you for any help.

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Question 572760: What is the domain and range of the function g(x)= x^4-3x^3+2x^2+x-1
I had gotten a domain of all real numbers, and I had estimated the range to include all numbers from [-1, infinity), but I was told the range is incorrect.

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Question 572914: Given function f(x) and that is has zeros at every k, where k is an integer. What are all the zeros of the function 3f(2x)?
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Question 573133: how to find the domain and range of (e^-x) +2
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Question 573176: What would be the domain of (2x-5)/4
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Question 573197: Writing functions from roots:
Degree of 4 and roots are 2i, 3, and 6
and
Degree of 5 and roots are 0, 1, 2, plus or minus √31

Thanks in advance I really appreciate it ;)

Click here to see answer by scott8148(6628) About Me 

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