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

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Tutors Answer Your Questions about Functions (FREE)


Question 159955: Find an equation of the line having the given slope and containing the given point.
m=4, (5,2)
The equation of the line is y= ______
(simplify your answer. Use integers or fractions for any numbers in the expression)

Click here to see answer by checkley77(12569) About Me 

Question 159953: Find the slope-intercept equation of the line that has the given characteristics.
Slope 3.2 and y-intercept (0, -3)
The slope-intercept equation y= _____
(use integers or decimals for any numbers in the expression)

Click here to see answer by checkley77(12569) About Me 

Question 159933: Find the slope of the line.
Graph shows y= (0,7)
x= (3,9)
The slope of the line is m=_____

Click here to see answer by checkley77(12569) About Me 

Question 160018: Find the x-intercepts(if they exits) of the following quadratic functions. Graph the function and mark the intercepts.
f(x)=x^2-6. I am completely confused on how to solve this problem and several others taht are similar. Please if you could show me step by step I'm sure I will be able to figure out the others.

Click here to see answer by ankor@dixie-net.com(15667) About Me 

Question 160015: Find the slope and the y-intercept of the line.
4x=5y+15

Click here to see answer by nabla(475) About Me 

Question 159932: Find the slope of the line.
The graph shows y= (0,8)
x= (3,-7)
The slope of the line is m= -5

Click here to see answer by checkley77(12569) About Me 

Question 160113: can someone please help me with this problem:
Evaluate the function at the given value of the independent variable and simplify.
f(x) = -5x + 8; f(-3)

Click here to see answer by stanbon(57424) About Me 
Question 160113: can someone please help me with this problem:
Evaluate the function at the given value of the independent variable and simplify.
f(x) = -5x + 8; f(-3)

Click here to see answer by edjones(7569) About Me 

Question 159929: Find the slope and the y-intercept of the line. Write fractional answers in lowest terms.
3y+7x+5=9+7x
The slope is _____
The y-intercept is (0,______)

Click here to see answer by checkley77(12569) About Me 

Question 160119: can someone please help me with this problem:
Evaluate the function at the given value of the independent variable and simplify.

f(x) = x^3 + 3 / x^2 - 3 ; f(3)

Click here to see answer by checkley77(12569) About Me 

Question 160176:
Determine f%283%29
a. -3
b. -6
c. -8
d. -14

Click here to see answer by Edwin McCravy(8924) About Me 

Question 160191: Find the slope and the y-intercept
5 - 1/4 y= 4x
The slope is ____
The y-intercept is (0,__)

Click here to see answer by nerdybill(6963) About Me 

Question 160186: Find the function value:
F(x) = x (to the third power)
f(-3) = _________

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Question 160223: Find an equation of the line containing the given pair of points.
(4,3) and (12,4).
What is the equation of the line?
y= ______

Click here to see answer by checkley77(12569) About Me 

Question 160224: Find the slope, if it exists, of the line containing the pair of points.
(1,10) and (8,-8)
The slope m=-18/7

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Question 160222: The function p(d)=1+d/33, gives the pressure, in atmospheres (atm), at a depth d in the sea (d is in feet). Note that p(0)=1 atm, p(33)=2, and so on. Find the pressure at 110 ft.
The pressure at 110 ft. is _____ atm.

Click here to see answer by gonzo(654) About Me 

Question 160169: Write an equation of the line containing the given point and parellel to the given line. Express your answer in the form y=mx+b.
(-6,2);7x=3y+2
The equation of the line y = _________

Click here to see answer by checkley77(12569) About Me 

Question 160171: Find an equation of the line having the given slope and containing the given point. Express your answer in the form y=b or y=mx+b.
m=0, (0,-3)
The equation of the line y= ________

Click here to see answer by Alan3354(30993) About Me 

Question 160217: -3 over 4 S - 3 = 1 over 3 S + 1 over 4
Click here to see answer by midwood_trail(310) About Me 

Question 160216:
X varies directly with Y. Find the constant of variation if X=4 and Y=16






















X varies directly with Y. Find the constant of variation If X=4 and Y=3







x

Click here to see answer by midwood_trail(310) About Me 

Question 160187: Find the domain of the function:
g(x) = 6/8-7x

Click here to see answer by midwood_trail(310) About Me 

Question 160120: can someone please help me with this question:
Is this function always increasing, decreasing, remaining constant, or there is no way to know ?
y = 0(-x + 1)

Click here to see answer by gonzo(654) About Me 

Question 160126: can someone please help me with this problem:
Evaluae the function at the given value of the independent variable and simplify.
f(x) = x^3 + 3 / x^2 - 3; f(3)
a. 2
b. 10/3
c. 5
d. 9/2

Click here to see answer by gonzo(654) About Me 

Question 160245: I need to solve for x in this equation: 3.58x-37.4=.23x+8.32. What does x equal?
Click here to see answer by midwood_trail(310) About Me 
Question 160245: I need to solve for x in this equation: 3.58x-37.4=.23x+8.32. What does x equal?
Click here to see answer by Alan3354(30993) About Me 

Question 160244: I need to solve for x in this equation: -3x+7=2y+3. What does x equal?
Click here to see answer by midwood_trail(310) About Me 

Question 160243: I must solve for y in the equation: y/5-7=-2x. What does y equal.
Click here to see answer by Alan3354(30993) About Me 
Question 160243: I must solve for y in the equation: y/5-7=-2x. What does y equal.
Click here to see answer by midwood_trail(310) About Me 

Question 160241: I have to solve for t in the equation: 8-9t=21t-17
Click here to see answer by midwood_trail(310) About Me 

Question 160123: can someone please help me with this problem:
Determine whether the relation is a function.
{(-6,-3),(-6,-9),(2,-6),(4,4),(8,-3)}
a. function
b. not a function

Click here to see answer by midwood_trail(310) About Me 

Question 160122: can someone please help me with this problem:
Is this a function:
x + y = 12

a. yes
b. no
c. it depends
d. none of the above

Click here to see answer by midwood_trail(310) About Me 

Question 160117: can someone help me with this problem:
Determine whether the equation defines y as a function of x.
y = check sign(4x - 3)

a. y is a function x
b. y is not a function of x

Click here to see answer by midwood_trail(310) About Me 

Question 160121: can someone help me with this problem:
Is this a function:
x^2 + y^2 = 36

a. yes
b. no
c. it depends
d. none of the above

Click here to see answer by midwood_trail(310) About Me 

Question 160124: can someone please help me with this problem:
Give the domain and range of the relation.
{(-4,-7),(-1,-4),(6,8),(6,-8)}

a. domain = {6,-4,-1,-6}; range = {8,-7,-4,-8}
b. domain = {8,-7,-4,-8}; range = {6,-4,-1}
c. domain = {6,-4,-1,16}; range = {8,-7,-4,-8}
d. domain = {6,-4,-1}; range = {8,-7,-4,-8}

Click here to see answer by oscargut(891) About Me 

Question 160250: Give the function K described by k(x)=x+10, find each of the following:
k(0)=
k(-17)=
k(-4)=
k(11)=
k(d+17)=

Click here to see answer by oscargut(891) About Me 

Question 160280: find the distance between (4, -3) and (2, 5)
Click here to see answer by nerdybill(6963) About Me 

Question 160322: How do you factor completely: 5x^2 - 10x? What's the answer?
Click here to see answer by ankor@dixie-net.com(15667) About Me 

Question 160325: How do you COMPLETELY FACTOR: x^2 + 10x + 21? whats the factored answer?
Click here to see answer by checkley77(12569) About Me 

Question 160321: How do you completely factor: x^2 + 12xy + 35y^2? What's the answer?
Click here to see answer by KnightOwlTutor(293) About Me 

Question 160324: How would you COMPLETELY FACTOR: a^2 - 10ab + 3b^2?

Click here to see answer by Edwin McCravy(8924) About Me 

Question 160318: 3x^2 + 17x + 10? Whats the answer?
Click here to see answer by Edwin McCravy(8924) About Me 
Question 160318: 3x^2 + 17x + 10? Whats the answer?
Click here to see answer by Electrified_Levi(103) About Me 

Question 160320: How do factor completely: 5y^8 - 125? What's the answer?
Click here to see answer by checkley77(12569) About Me 

Question 160495: 2x^2+x
____________
3x-2

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Question 160520: Use the Factor Theorem to determine whether x - c is a factor of the following function. Write in the form f ( x ) = (x - c) (quotient) if f( x ) = -4x^3 + 5x^2 + 8; c = -2
Click here to see answer by Edwin McCravy(8924) 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