Mathematics - 15 December 2007

1. The function f is defined for all x which is not equal to 0 in interval -1
a) How should f(0) be defined in order that f be continuous for all x in the interval -1
b)With f(0) defined as in part (a), use the definition of the derivative to determine whther f'(0) exists.

2007-12-15 03:20:23 · 2 answers · asked by leonardo 1

i need help on my math, ty

2007-12-15 02:57:02 · 5 answers · asked by james m 1

thanks.

2007-12-15 02:41:56 · 13 answers · asked by cew613 2

2: Using the parallel postulate, we can deduce that any two lines not intersecting are parallel.

True
False



3: The sum of the exterior angles of a triangle is 180 degrees.

True
False

2007-12-15 02:23:53 · 11 answers · asked by sophiapena11 1

Find the set of values of k for which the equation 2x^2+kx+2+0 has no real roots ?

Once again i have become stuck on another maths equations.
Please can someone give me some guidence on this question.
Thank you for any help.

2007-12-15 02:22:17 · 8 answers · asked by Anonymous

(7 / 3)^(-2) ?
Please help.

Any As revison websites will also be helpfull.

2007-12-15 02:02:23 · 5 answers · asked by Anonymous

Make a the subjext of the equation;
2a+5c=af=7c

Im not sure but, when i did it i got a=-2c *over* f


Am i right?


also does any one know of any useful As revision websites?

2007-12-15 01:44:02 · 1 answers · asked by Anonymous

my favourite subject is science but i dont like maths at all wat should i do?

2007-12-15 01:42:07 · 15 answers · asked by Anonymous

list all isomorphisms from Z-8 toZ-8

2007-12-15 01:37:02 · 1 answers · asked by Anonymous

plz plz solve it it will be really helpful plzzzzzzzzz i ahve a test tmrw......

2007-12-15 01:32:36 · 3 answers · asked by Anonymous

The ans sometime there may be a bracket surroundin the algebra answer.Lets say as the algebra answer is 12b-1 and with the bracket surrounding it ,it is like this:(12b-1).This is a example for u everyone and i hope that u may understand wat i am traying to ask.

2007-12-15 00:53:30 · 6 answers · asked by Anonymous

If X= 31 measured to the nearent degree, what is the interval estimate for X?

Suppose Y=37 measured correct to the nearest 0.5 degree, what is the interval estimate for Y?

Interval estimate is basically the upper and lower band. Eg./ 55

2007-12-15 00:27:10 · 4 answers · asked by Anonymous

t^2sint
i know the answer but i dont know how
the answer is t(tcost+2sint) HOW!!!!!!!!!!!!!!!!!!!

2007-12-15 00:00:30 · 3 answers · asked by Anonymous