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

Tutors Answer Your Questions about Functions (FREE)

Question 327678: the function w(d)=0.112d approimates the amount in centermeter of water that results from d cm of snow melting.find the amount of water that results from snow melting from depths of 17cm,38 cm and 100cm.
17 cm of snow meting produces ? cm of water
38 cm of snow meting produces ? cm of water
100 cm of snow meting produces ? cm of water
Thanks
Click here to see answer by unlockmath(1688)

Question 327741: Given the function h describe by h(x)=x+10 find each of the following.
h(0)=
h(-7)=
h(-19)=
h(15)=
h(d+20)=
please show work Thanks
Click here to see answer by user_dude2008(1862)

Question 327978: find the domain of 10/x^2-2x
Click here to see answer by Fombitz(32388)

Question 328193: Given f (x)= x2-10x/x3-x+20, find f (-1)
Click here to see answer by checkley77(12844)

Question 328190: Given f (x)= 8/x-9, find f(10)
Click here to see answer by checkley77(12844)

Question 328375: Please show me the range for the function y=x. Is it a. all real numbers b. all positive numbers c. all negative numbers or d. none of the above. I think it is d. none of the above. Am I correct? Thank you:
Click here to see answer by Fombitz(32388)

Question 328370: Find f(g(x)) if f(x) = x2 and g(x) = x-5.
Click here to see answer by Fombitz(32388)

Question 328510: evaluate the functions: f(x)=6x-5

Click here to see answer by Fombitz(32388)

Question 328641: what is the difference between domain and range? describe a real life situation that could be modeled by a function.
Click here to see answer by unlockmath(1688)

Question 328648: please find the derivative of the function given by
y=ln(sqr x)
could you please show working
Click here to see answer by rapaljer(4671)

Question 328647: please find the derivatives of the function given by
y=4e^((x^3)+1)
please show working
Click here to see answer by galactus(183)

Question 328647: please find the derivatives of the function given by
y=4e^((x^3)+1)
please show working
Click here to see answer by rapaljer(4671)

Question 328609: Please help, please show work. Thanks!
f(x)=square x+1 and g(x)=2x-5
Find h(x)=(gof)(x)
Click here to see answer by rapaljer(4671)

Question 328744: please find the derivatives of the function given by
y= (1+lnx)/(2-x^2)
could you please show working.
Click here to see answer by Fombitz(32388)

Question 328954: Determine whether the relation defines y as a function of x.
Give the domain.
7x=2-7y
Thanks!
Click here to see answer by solver91311(24713)

Question 328208: Find regions where sinx is less than or equal to x?
Click here to see answer by Fombitz(32388)

Question 329333: 12z/7x * x/6xz
Click here to see answer by nyc_function(2741)

Question 329475: hi, they said i need to make a t table for this question on function notation and i also need to graph, this is the question.
f(x) = x
there are straight lines between the "x"
Click here to see answer by Alan3354(69443)

Question 329581: find the domain of the function.
g(x)= 10
----
1-5x

Click here to see answer by Fombitz(32388)

Question 329667: The table shows some values for the function f.
x -2 0 2 4
f (x) 7 4 1 -2
What is the value of f -1 (-2) ?
Click here to see answer by stanbon(75887)

Question 329684: Helllo. I was hoping you could please help me. You're help is truly appreciated.
My question is as follows:
If f is a linear function and f(0)=10 and f(10)=14, find f(5) and f(-5).
Could you please explain to me the process of solving this function?
Thank you so much!
Click here to see answer by ankor@dixie-net.com(22740)

Question 329946: Please help me find the value of each in the space provided, showing all steps.
Given: f(x)=3x-7 G(x)=x^2+3
task 5: Find f(g(2))

thanks
Click here to see answer by checkley77(12844)

Question 329945: Please help me find the value of each in the space provided, showing all steps.
Given: f(x)=3x-7 G(x)=x^2+3
task 4: Find G(x+2)-g(x)

thanks
Click here to see answer by checkley77(12844)

Question 329944: Please help me find the value of each in the space provided, showing all steps.
Given: f(x)=3x-7 G(x)=x^2+3
task 3: Find f(f(x))

thanks
Click here to see answer by checkley77(12844)

Question 330023: If Bob has 36 pieces of fencing with which to enclose his rectangular garden and is not allowed to cut any of the panels..... use function notation to write the formula for the area of the garden in terms of X.
Click here to see answer by edjones(8007)

Question 330190: Find all vertical and horizontal asympotote(s) for the rational function f(x) = 4x^2 -1/2x^2+5x-as
Click here to see answer by Fombitz(32388)

Question 330273: multiply and reduce to lowest terms, -2a^2/3a^2*20a/15a^3?
Click here to see answer by Fombitz(32388)

Question 330293: How do you solve this equation?; 2/3=4j/6? Somebody Please Help!! :((
Click here to see answer by rfer(16322)

Question 330410: i was studying for the ACT compass test and i am having problems with functions. the question was: if f(4)=0 and f(6)=6 then which of the following could represent f(x)? The answer is 3x-12, but i do not understand how to get to that answer, what does the 4 and 6 have to do with it? thank you ahead of time
Click here to see answer by jim_thompson5910(35256)

Question 330351: what is the function name, domain, and range for the function "y=(x-1)�-4"?
Click here to see answer by edjones(8007)

Question 330321: 6=-3/7x solve for x
Click here to see answer by mananth(16946)

Question 330475: Which set of ordered pairs satisfies an inverse variation?
(A) (6, 3) and (8, 4)
(B) (2, -3) and (4, 5)
(C) (4, -2) and (-5, 10)
(D) (2, 6) and (-3, -4)
(E) (4,1/4)and (-4,1/4)
Click here to see answer by trippin on trig(7)

Question 330369: 2/3+4/5/3/4-1/2=

Click here to see answer by Fombitz(32388)

Question 330760: Suppose f(x) = 2x + 1 and the domain is {0, 1, 2, 3, 4}. Describe the function in the following ways:

a) Use ordered pairs.
b) Make a table.

Click here to see answer by trippin on trig(7)

Question 330889: For what real values of x is the function f(x)=x+1/x^2-9

Click here to see answer by Fombitz(32388)

Question 330890: Find the value of f(- 1/3)if f(x)=8^x
Click here to see answer by Fombitz(32388)

Question 329683: Hello. I was hoping you could please help me.
I need some help with graphing f: x --> |x|+ 2 with Domain D = { -2, -1, 0, 1,2}
Now i know it says no graphing is going to be shown, but I was hoping you'd show me the steps of what I need to do. Do I need to plug in each domain element for x, and use y = mx + b...or something else? Please help me!
Thank you so much!
Click here to see answer by Fombitz(32388)

Question 330898: Can this equation be solved for x? Yes it can be solved.
Why or why not?
Please explain your reasoning and show your work.
3x+2y=12

Click here to see answer by Fombitz(32388)

Question 331007: please find the third derivative of the function f given by
f(x) = 4x^8 -5x^5 +7x^2 +17 - x^-1
i worked it out to be: f'''(x) = 1344x^5 -300x^2 +6x^-4
is this correct?
please show working if im totally off the track.
thanks
Click here to see answer by nyc_function(2741)

Question 331540: If f(x) = x − 4 and g(x) = x − 2, find f[g(−6)]. i dont know the answer please help

Click here to see answer by Alan3354(69443)

Question 331650: if
g(x)=Xsquared -4x
what is the value of
g(2)
Click here to see answer by solver91311(24713)

Question 331649: if
f(x)= 2x-4
what is the value of
f(4)
Click here to see answer by solver91311(24713)

Question 332054: By looking at an input and output chart with numbers how can you tell if it is a function or not?
Click here to see answer by jim_thompson5910(35256)

Question 332057: I have a problem that says make an input output table for the function. Use 0,1,2, and 3 as the domain.
The problem is y=3x+2
Can anyone help me figure this out and explain how you did it?
Click here to see answer by jim_thompson5910(35256)

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