Questions on Algebra: Graphs, graphing equations and inequalities answered by real tutors!

Tutors Answer Your Questions about Graphs (FREE)

Question 85164: 2x+7/8-2=x+x-1/2
Click here to see answer by Ahmath(7)

Question 85499: I have no clue where to even start on this problem:
Write the equation of the line which has y-intercept (0, 5) and is perpendicular to the line with equation y = �3x + 1.
Click here to see answer by jim_thompson5910(35256)

Question 85019: Solve the following system of linear inequalities by graphing.
x + 2y is less than or equal to 3
2x � 3y is less than or equal to 6

Click here to see answer by jim_thompson5910(35256)

Question 85018: Solve the following system of linear inequalities by graphing.
3x + 4y is less than or equal to 12
x + 3y is less than or equal to 6
x is greater than or equal to 0
y is greater than or equal to 0

Click here to see answer by jim_thompson5910(35256)

Question 84965: I have a question that states: determine the quadrant in which (x,y) is located so the conditions are satisfied. x=-9 and y<0
Click here to see answer by rapaljer(4671)

Question 84964: I have a question that states: sketch the graph of f(x)=[[x]]-2. How do I do this?
Click here to see answer by rapaljer(4671)

Question 84961: I have a question that states: Find the x- and y-intercepts of the graph of the equation 6x=0. How do I do this?
Click here to see answer by rapaljer(4671)

Question 84962: I have a question that states: evaluate the function at the specified value(s) of the independent variable and simplify. f(x)=/x/+7; f(-9). I thought this was -2 but I guess I am wrong.
Click here to see answer by bucky(2189)

Question 85530: This is a pretty big problem for me and was wondering if I could get some help with it. I appreciate the help alot. Thank you.
A small firm produces both AM and AM/FM car radios. the AM radios take 15h to produce, and the AM/FM take 20h. The number of production hours is limited to 300 h per week. The plants capacity is limitedto a total of 18 radios per week, and exsisting orders require that at least 4 AM radios and at least 3 AM/FM radios be produced per week. Write a system of inequalities represnting this situation. Then, draw a graph of the feasible region given these conditions, in which x is the number of AM radios and y the number of AM/FM radios.

I know this is a big word problem, and I didn't know where to start. I am hoping I could get some help with this. Thank you again.
Click here to see answer by stanbon(75887)

Question 85545: Graph the quadratic equation after complete the given table of values. y = x2 + 2
X= -2, -1, 0, 1, 2
Y=
Click here to see answer by jim_thompson5910(35256)

Question 85072: Solve Graphically (x+3)^2-4 Greater than 0
Click here to see answer by stanbon(75887)

Question 85660: How would I make a scatter box in paint for:
Year 1982 1985 1988 1991
$1 $1.06 $1.18 $1.36
Click here to see answer by Nate(3500)

Question 85701: Solve the system by graphing.
3x + y = �1
9x + 3y = �3

Click here to see answer by jim_thompson5910(35256)

Question 85702: Solve the system by graphing.
x + y = 4
�x + y = 2

Click here to see answer by jim_thompson5910(35256)

Question 85702: Solve the system by graphing.
x + y = 4
�x + y = 2

Click here to see answer by checkley75(3666)

Question 85704: I have a question that states: find the difference quotient of the function f(x)=2x^2-3. I have absolutely no clue with this problem.
Click here to see answer by stanbon(75887)

Question 85703: I have a question that states: given f(x)=9-x^2, and g(x)=3-x, find f/g(x). Please help me with this.
Click here to see answer by stanbon(75887)

Question 85708: I have a question that states: find (f of g)(x) and (g of f)(x) for f(x)=x-5 and g(x)=squarerrot x-2. Can anyone help me with this?
Click here to see answer by stanbon(75887)

Question 85717: Solve the following system of linear inequalities by graphing.
x � 3y > 6
3x + 2y > 12

Click here to see answer by jim_thompson5910(35256)

Question 85709: I have a question that states: for the pair of functions, evaluate (g of f)(5). f(x)=x-9/x, g(x)=x^2+3. How do I do this?
Click here to see answer by stanbon(75887)

Question 85721: Graph the inequality.
x <= 5

Click here to see answer by jim_thompson5910(35256)

Question 85722: Graph the inequality.
2x + 3y > 6

Click here to see answer by jim_thompson5910(35256)

Question 85706: I have a question that states: find (g of f)(x) for the pair of functions. f(x)=x+2 and g(x)=squareroot of x+5, x is greater than or equal -5. I have no clue how to do this!?!
Click here to see answer by Nate(3500)

Question 85700: I have a question that states: find (f+g)(x) for f(x)=1/2^2 and g(x)=x. How do I do this?
Click here to see answer by Nate(3500)

Question 85776: Write the system of equations and solve for x and y using any method:
The cost of sending a telegram is based on a flat rate for the first 10 words and a fixed charge for each additional word. If a telegram of 15 words costs $11.65 and a telegram of 19 words costs $14.57, what is the flat rate, and what is the fixed charge for each additional word?
Click here to see answer by Edwin McCravy(20055)

Question 85780: Solve the system of equations for x and y by graphing. Clearly mark the intersection point, if there is one.
5x+4y=12
x+3y=-2
Click here to see answer by checkley75(3666)

Question 85807: Graph the solution set to the system of inequalities and identify each vertex of the region:
x >= 0, y >= 0, y <= 3
x + y <= 5
2x + y <= 8
Click here to see answer by scianci(186)

Question 85804: I appreciate some help on these problems.
Graph the inequality
x-y>2
Rewrite the equation: 4x-6y=-30
Bob invested 20,000, part at 14% and part at 13%. If the total intrest at the end of the year is 2,720, how much did he invest at 14%?

Click here to see answer by scianci(186)

Question 85802: Rewrite the equation 2x-3y=-6
Graph the inequalities:
y=<-4
y>1
y>3x.

Click here to see answer by scianci(186)

Question 85792: a fabric store worker has a 57 yard bolt of cloth which is to be cut into three lengths. The length of the second piece is 5 yards shorter than twice the lenght of the first. The length of the third piece is 2 yards longer than twice the length of the first. Find the length of each piece.
Click here to see answer by scianci(186)

Question 85639: y>3
Click here to see answer by rapaljer(4671)

Question 86034: I have a homework question that states: given is the graph of a function d(x). Find the graph of 4d(x). How do I do this-I have absolutely no clue
!!!!
Click here to see answer by stanbon(75887)

Question 86032: I need help with this homework: use transformations on the graph of y=x^2 to graph y=(x+3)-3. I do not understand any of the problems related to this in this in the lecture notes.
Click here to see answer by jim_thompson5910(35256)

Question 86033: The graph of the function f(x)=1/x is shown below. Find the equation and graph the function g(x) which is the reflection of f(x)in the y-axis. The graph has to curves in quadrant 1 and 3. I don;t know how to do this and am looking for help with this.
Click here to see answer by Earlsdon(6294)

Question 86035: I need help with this: graph f(x)=-2(x+3)-2 How do I do this?
Click here to see answer by Earlsdon(6294)

Question 85896: Find x-coordinates of the x-intercept to the nearest hundredth
y=(3/5)x+5/4
Click here to see answer by checkley75(3666)

Question 85997: Rewrite the equation 4x-6y=-30 as a function of x.
Bob invested $20,000, part at 14% and part at 13%. If the total interest at the end of the year is $2,720, how much did he invest at 14%?
One number is 12 more than another. The sum of the smaller number and twice the larger number is 39. Find the larger number.
The lenght of a rectangle is 8 in., more than twice its width. If the perimeter of the rectangle is 64., find the width of the rectangle.
Thank you for helping me out. I really appreciate it.

Click here to see answer by stanbon(75887)

Question 86101: Scientists have stocked Wilson's pond with a species of fish. The scientists note that the population has
steadily decreased over a period of time until the population is approximately half the number of fish
originally stocked. If the number of fish is plotted on the y-axis and the amount of time on the x-axis,
which of the following graphs represents the population of fish in the pond with respect to time?
Click here to see answer by jim_thompson5910(35256)

Question 86103: I need help with these problems, most of them do need to be graphed. I want to thank the person who helps out. Thank you and I really am grateful.
Solve the system by graphing.
3x+y=6
3x-y=0
Solve the following system of linear inequalities by graphing.
3x-y<2
x+y<2
Solve the following system of linear inequalities bt graphing
x-y<3
x+2y>6
Solve the system by addition.
5x-4y=-5
x-2y=-7

Click here to see answer by Edwin McCravy(20055)

Question 86125: I have tried this for 2 days and still have not got the answer from the key. Could someone show me how to do this.
Graph each of the following inequalities.
4x+y greater than or equal to 4

Click here to see answer by Earlsdon(6294)

Question 86133: I am so lost doing inequalities. Could someone explain how you would write this?

You have at least $30 in change in your drawer, consisting of dimes and quarters. Write an inequality that shows the different number of coins in your drawer.
Click here to see answer by venugopalramana(3286)

Question 86138: For this problem do I sub each given in the place of f or for x?
Evaluate each function for the value specified.
f (x) = x2 - 7x + 10; find (a) f (0), (b) f (5), and (c) f (-2).

Click here to see answer by tutorcecilia(2152)

Question 86143: I am just wanting to make sure I am doing these right.
if f (x) = 5x - 1, find the following:
f (a-2)
f(a-2)=5(a-2)-1
=5a-10-1
=5a-9

if f (x) = 4x - 3, find the following:
f (-1)
f(-1)=4(-1)-3
= -4-3
= -7

Click here to see answer by ptaylor(2198)

Question 86136: I need some help with these graph problems. I would appreciate some help with solving and graphing these systems. Thank you.
Solve the system by graphing.
x+y=4
-x+y=2

Solve the following systym of linear inequalities by graphing.
3x+4y<12
x+3y<6
x>0
y>0 (under each of the greater and lesser signs is a line)

Solve the following system of linear inequalities by graphing.
x+2y<3
2x-3y<6
Solve the following system of linear inequalities by graphing
x-2y>4
x<4
Thank you so much for taking your time to help me out. thanks alot.
Click here to see answer by jim_thompson5910(35256)

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