Mathematics - 2 September 2007

We learned this in class friday morning, and now, sunday night, I totaly forgot it.

How do i find f of g?

For example, my problem (one of many) is

f(x)=2x g(x)= 3x^2 + 1

fog(4) = ?


Thankyou in advance.

2007-09-02 14:18:20 · 1 answers · asked by moneyman 1

"Q: Find the equation of the line parallel to the line 3x+7y+42=0 and four units above it." What does "four units above it" mean? Also a similar question has "three units from it" What does it mean? I know how to solve such problems but I am stuck with this linguistic problem.

2007-09-02 14:17:24 · 3 answers · asked by Legend 3

I have a dilemma: I've been single for the last year or so and I met the woman of my dreams. She lives on the other side of Canada, and she has a boyfriend (whom she's been with for 4 years). She flew to the city I live in to do some research and will be coming back again in 6 mo. I sent her an email stating I was attracted. She called back -- we talked for hours. I then sent an email asking what would be best for her, and best for her boyfriend. She replied, stating she told her boyfriend about having talked with me for hours and basically that her life was, well, messed up now because she keeps "settling." I emailed her again stating that her integrity and honesty were commendable, then something like "wouldn't it be nice if you could just come and live with me?" She is finishing a PhD and I don't know what the resolution for all parties concerned is. I haven't heard from her in 3 days. Any game theory experts or relationship savvy people with constructive comments on this?

2007-09-02 14:17:16 · 5 answers · asked by Aiden 4

I'm not sure how to work sine, cosine, and tangent problems that have minutes (eg. 10' from the above question). Help would be much appreciated. Thanks.

2007-09-02 14:11:23 · 2 answers · asked by Lovelylady 3 1

2007-09-02 14:08:24 · 9 answers · asked by brittsparky77 1

2007-09-02 14:01:32 · 3 answers · asked by yung one 1

The transmission in Bob's truck hold 11 quarts of fluid. If Bob changes 5 quarts at a time, and allows the fluid to homogenize- what percent is old fluid and what percent is new fluid if he does this 4 times.

What would be the equation to use so you can graph this on a TI-83?

2007-09-02 13:59:46 · 2 answers · asked by schwartr88 3

The volume of a certain rectangular solid is 27 cubic centimeters. Its total surface area is 162 square centimeters, and its three dimensions are in geometric progression. What is the sum of the lengths in centimeters of all the edges of this solid?

please show me work if you can get this, someone tried to explain this to me but i couldn't understand it. Thanks

2007-09-02 13:44:14 · 5 answers · asked by x0xshenanigans 1

2007-09-02 13:39:32 · 2 answers · asked by Anonymous

2007-09-02 13:38:43 · 3 answers · asked by laura 1

2007-09-02 13:35:46 · 3 answers · asked by zahras01 1

2007-09-02 13:33:31 · 5 answers · asked by jag1955 2

how much water must be evaporated from 36 ounces of a 4% salt solution to make a 5% salt solution? (this would result in a decrease in the quantity of the solution.)

show work please..if you can

2007-09-02 13:26:02 · 4 answers · asked by aajain03 1

A chemist has a 35% saline solution and a 60% saline solution available. How many milliliters of each of these available solutions should she mix to obtain 700 mL of a 40% solution?

2007-09-02 13:24:09 · 5 answers · asked by aajain03 1

2007-09-02 13:16:05 · 9 answers · asked by Anonymous

Using a specific example, describe how an artist used perspective drawing in his/her artwork. Be sure to include the artist’s name and the title of the artwork.

2007-09-02 13:07:22 · 3 answers · asked by Anonymous

Well, I am going to Junior year and I am going to take, Math B, PHysics, Pre calculus. Is a graphing calculator necessary? Do you really need a graphing calculator for math b?

I am just thinking whether I should get or not ti 84 silver plus?

When you go to college, Will you need the ti 84 silver plus? Or do you have to buy a higher calculator?

2007-09-02 13:01:08 · 7 answers · asked by Anonymous 4

The sum of the positive odd factors of 30 is 24, 1+3+5+15

2007-09-02 12:51:34 · 7 answers · asked by la la la 2

All i can think of is that if you make a plot of y = x and y = 1 - square root of (1-a) from x = 0 to x = 1 you will see that the graph of y = 1 - square root of (1-x) is always beneath the graph of y = x. However, the proof is to be done without using graphs. How is that possible then?

2007-09-02 12:46:21 · 8 answers · asked by Anonymous

S: There is a car that is blue and weighs less than 4000 lbs.

My first question is what do they mean by nontrivial?
The other thing that's confusing me is that the statement contains an "and". If it just said "There is a car that weighs less than 4000 lbs." the negation would be "All cars weigh more than 4000 lbs." but I'm confused about how to deny two things.

Thanks!

2007-09-02 12:46:21 · 2 answers · asked by lilygnome 2

Find the square root of -59 to the nearest hundredth

2007-09-02 12:42:58 · 3 answers · asked by Tainteddeceptions 3

Using your own words, describe the following terms:

* vanishing points
* horizon lines
* convergence lines

2007-09-02 12:33:30 · 8 answers · asked by Anonymous

i need help!!!we have an homework assignment that we have to to prove mathematically that the world is a sphere.by finding the cirumference and i already know the circumfrence but i dont no how to get it!!!!!!!HELP!!!!!!!!

2007-09-02 12:32:34 · 4 answers · asked by jasmyne b 1

http://tinypic.com/view.php?pic=66osbk3

ahh, please help. I have the worst headache from these problems. I can't get them to make any sense.

Thanks!

2007-09-02 12:32:19 · 4 answers · asked by Randy M 1

http://tinypic.com/view.php?pic=5yst27c

For the first 2 the directions are "Find the measure of each numbered angle".

For the last 4 the directions are "Chords, tangents, and secants are shown, find the value of x".

PLEASE show your work so I will understand it (I really want to learn how to do it, not just have you do my homework). Thanks a lot!!!

I posted this a million times and no one knows how to do it. eek.

2007-09-02 12:12:00 · 3 answers · asked by acetone33432 1

the weight of an object follows this equation: , where C is a constant, and r is the distance that the object is from the center of the earth.

a. Solve the equation for r.

b. Suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation true. (Sea level is 3,963 miles from the center of the earth.)

c. Use the value of C you found in the previous question to determine how much the object would weigh in

i. Death Valley (282 feet below sea level)

ii. The top of Mt McKinley (20,430 feet above sea level)

2007-09-02 12:04:48 · 4 answers · asked by mathidiot 1

thanks

2007-09-02 12:01:27 · 16 answers · asked by trixabelle29 4

If f, g, & h are vectors and if,

f x g = h x g, does it follow that f = h? why or why not??

Thanks for your help...

2007-09-02 11:55:13 · 3 answers · asked by faisal.siddiqui 1

Write the two equations in slope-intercept form and then determine how many solutions the system has.
x - 2y = 5
2x - 4y = 18

One
Infinite number
None

2007-09-02 11:45:04 · 3 answers · asked by freesia2water 2

Here is my homework questions,please help...
1. 2x²- 5x = 0
2. 3x² - 2x = 1
3. 2x² - x-15 = 0
4. t² - t- 6 = 0
5. 12x² - x - 6 = 0
6. m² + 12m +11m = 0
Please help me, I am so confused, and I'll give you best answer, if you get it right!

2007-09-02 11:37:34 · 5 answers · asked by Sarah M 2