Mathematics - 20 June 2007

f(x) = x+2 / x-6

a) what is the domain? I said it was (x I x not equal to 4) am I right??

b) list the x- intercepts

c) list the y- intercepts, I said 1/2, is that right??

please help explain, I have lot Q's just like it, thanks!!

2007-06-20 16:11:40 · 1 answers · asked by Anonymous

2007-06-20 16:04:41 · 8 answers · asked by ? 1

1. x - 15 = 11, x =

2. x/7 = 18, x =

3. 3x + 5 = 41, x =

4. x/12 = 5/36, x =

5. 7/15 = x/9, x =

6. 2.5/x = 12.5/40, x =

7. Is the volume of a pyramid found by using th
the equation V = 1/4*B*h, where B is the
area of the pyramids base?

8. If x = 8, 5x + 15 =

9. If x = 6, 82 - 3x =

10. If x = 10, 3x/5

2007-06-20 15:42:50 · 6 answers · asked by Anonymous

2007-06-20 15:39:29 · 15 answers · asked by shakira1babe 1

i thought deriv of cos was -sin ....

2007-06-20 15:39:06 · 4 answers · asked by tc 1

2007-06-20 15:13:59 · 12 answers · asked by cazooman 1

EVIL, I Can tell you, EVil, they are the axis of EviL of Death!

I can pretty much do almost the whole homework packet but Im ALWAYS stuck on ²

FACTOR.
Given:


I cant do it, its tooo hard! Impossible!
Please give steps, Im 15, factor please.

2007-06-20 14:58:46 · 4 answers · asked by Anonymous

help please!!! ;)

2007-06-20 14:40:59 · 5 answers · asked by lana l 1

2007-06-20 14:39:29 · 5 answers · asked by bay-from-indonesia 1

there are a couple of these kind of questions on this test I am doing:

I was wondering if you can herlp me with to of them so that I will really get how to do it so ill do the rest myself!!
thanks 4 everything!!

1: What number would you add to both sides to complete the square in this trinomial?
x2 + 6x = -5
6
9
12


2: What number would you add to both sides to complete the square in this trinomial?
2x2 - 12x = -2
9
12
36

thanks again... these tests are soo stressful!!

2007-06-20 14:23:13 · 4 answers · asked by Anonymous

(1/2)x^2+2x+1=0
I can not figure this out, can you show me step by step!!?

2007-06-20 14:15:08 · 9 answers · asked by Anonymous

Thanks for taking a look at my question. This has been puzzling me for days. I need a formula to plug three numbers in to. Let's say X, Y, and Z, where X > Y, but either X or Y may be positive or negative. The third variable, Z, falls somewhere between X and Y.

I need a formula to figure where, in percentage-point terms, Z falls between X and Y. For example, if X = -100, Y = +100, and Z = 0, then the result would be 50. Keep in mind that this needs to work when X and/or Y are positive and/or negative.

I look forward to what you folks think about this problem. Thanks a lot!

Dougal
Madison, WI

2007-06-20 14:13:16 · 5 answers · asked by Anonymous

A) –15
B) –9
C) 9
D) 15

2007-06-20 13:58:12 · 4 answers · asked by tony f 1

2007-06-20 13:55:53 · 2 answers · asked by tony f 1

It's summer, and with summer come the annual raffles for various goods and services. Here is my question: Let's say we sell 500 tickets to win a Harley. 2nd prize is $500, 1st prize is $1000, and grand prize is a new Harley. One of the people in my club said we should draw the GRAND prize first so that everyone has an equal chance of winning (no winning tickets are returned to the pot in our drawing). I think it makes no difference. 1/500 to win 2nd place, 1/499 to win 1st place, 1/498 to win Grand. Odds of winning grand are dependent upon NOT winning the 2nd or 1st prize, but shouldn't it still total to 1/500???? IE- does the order drawn increase, decrease, or not affect the odds of winning the bike??? Thanks!!

2007-06-20 13:48:33 · 3 answers · asked by Anonymous

I have the region enclosed by y=x^3 and y = √x rotated about the line x=1.

I'm supposed to find the volume using integration.
The answer in the book is 13pi/30.

However, I keep getting 2pi/5 with respect to y and 5pi/14 with respect to x.

Which, of course, doesn't make sense, because if I was doing this correctly, the answer with respect to either x and y should be the same..right?? uhh..

I don't see what i'm doing wrong.


This is how I started out. A(y)=[ pi(y^2)^2 ] - [ pi(y^(1/3))^2 ]

I didn't think I needed to add or subtract distance because the two functions meet at x=1.

Help please! Ack!

2007-06-20 13:37:54 · 2 answers · asked by ? 3

He found out that 8/24 did their homework for three hours each day. In his pie graph, this would represent how many degrees?

2007-06-20 13:35:31 · 5 answers · asked by Anonymous

A small company produces both bouquets and wreaths of dried flowers. The bouquets take 1 hour of labor to produce, and the wreaths take 2 hours. The labor available is limited to 80 hours per week, and the total production capacity is 60 items per week. Write a system of inequalities representing this situation, where x is the number of bouquets and y is the number of wreaths.

2007-06-20 13:28:40 · 4 answers · asked by Lovely Me 2

Answer plZ...
uSe some oR all the digits bElow 2 answer each riddlE.you cAnnot rEpeat Digits within A number.
0 1 2 3 4 5 6 7 8 9


1.)i Am the smallest &-digit odd num.my ones digit is twice my tens digit.what number am i?



2)i am the larest 5-digit number u can mAke that has all odd digits.my thousand digit is two more than my hundreds digit.Wat num. am i?

3)i am a number whose digits are the first eight counting num..my ninth digit From the left is the sum of my digits in thE millions annd thousand place.wat num. am i??


plz answer rush..tnx!

2007-06-20 13:21:21 · 2 answers · asked by Kim 1

is X=1 ? Thanks

2007-06-20 13:17:53 · 3 answers · asked by Anonymous

Solve for i.

(1+i)^360 - 1 = 1000*i

I can't seem to solve it.. wondering if its possible?

2007-06-20 12:57:09 · 7 answers · asked by de4th 4

Please show mw what I did wrong-my answer is coming out 0=0
-X+3-2(X-2)=-3X-7
-X+3-2X+4=-3X-7
-3X+7=-3X-7
0=0

2007-06-20 12:46:45 · 7 answers · asked by david c 3

If you are planning to take a trip of 20 miles and average 30mile/hour but you find, due to traffic, that you have only averaged 15miles/hour for the first 10 miles, how fast will you need to go for the second 10 miles to meet your goal?

2007-06-20 12:45:47 · 4 answers · asked by MT 1

I do not understand how to do this math promlem
-6=-(x-5)-3(5+2x)-4(2x-4)

2007-06-20 12:41:20 · 7 answers · asked by Anonymous

* note: big f (F) is the antidervitive of the function, little f (f) is the normal function, df is the dervitive of the function f , and i'll use @ as the degree symbol

1) F (xsin^2 (x) dx)
2) dr/d@ = sin^4 (@pie)

10 points for the first person to solve both

2007-06-20 12:33:32 · 3 answers · asked by jdak34 3

2007-06-20 12:21:14 · 2 answers · asked by Anonymous

2007-06-20 12:17:31 · 9 answers · asked by Anonymous

2007-06-20 12:11:42 · 11 answers · asked by 23344 2

Angelo is paid double time for each hour he works over 40 hours a week. Last week he worked 46 hours and earned $572. What is his normal hourly rate?

thank you soo much.

2007-06-20 12:11:04 · 11 answers · asked by jaz 5

Can anyone please explain why it is negative?

My understanding is -3^2=-3x-3........which should equal positive 9...

What is the difference between the above and (-3)^2?

I am obviously missing something, please help!!

Thanks so much!!

2007-06-20 12:06:05 · 8 answers · asked by Rebirth _2007 1