This is from a Mu Alpha Theta Competition I took today.

19. Let f and g be functions such that . What is ?

A) Not enough information

B)2

C)

D)8x-2

I didn't really know how to approach this, so a little push would be great.

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- Mar 4th 2006, 12:51 PMJamesonInteresting Question
This is from a Mu Alpha Theta Competition I took today.

19. Let f and g be functions such that . What is ?

A) Not enough information

B)2

C)

D)8x-2

I didn't really know how to approach this, so a little push would be great. - Mar 4th 2006, 01:23 PMCaptainBlackQuote:

Originally Posted by**Jameson**

Rewrite as:

Now differentiate wrt x.

RonL - Mar 4th 2006, 03:05 PMThePerfectHackerQuote:

Originally Posted by**CaptainBlack**

- Mar 4th 2006, 10:04 PMCaptainBlackQuote:

Originally Posted by**ThePerfectHacker**

2. If and are differentiable then this is differentiable. Asking the

question implies we may assume that and are differentiable, just

as it allows us to assume that denotes the derivative.

RonL - Mar 5th 2006, 09:58 AMThePerfectHacker
I was making a remark that in analysis you always need to show diffrenciability before taking the derivative, I just found that funny.

- Mar 5th 2006, 01:11 PMJamesonQuote:

Originally Posted by**CaptainBlack**

- Mar 5th 2006, 01:24 PMCaptainBlackQuote:

Originally Posted by**Jameson**

RonL