The algebra of functions - Difference quotient

label Calculus
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can you help me to find the difference quotient for this problem?

f(x) = 1/3x

Sep 27th, 2015

Thank you for the opportunity to help you with your question!

The difference quotient is : 

l =(f(x+h)-f(x))/h  

f(x+h) =  1/3(x+h)

f(x+h) - f(x) = 1/3(x+h) - 1/3x  = 1/3x + 1/3h - 1/3x  = 1/3h

so : 

l =  (1/3h)/h = 1/3 


if you don't unnderstand just ask 


i glad to work with you each tim you have any other question just invite me i will give you the best answer ok 

Good luck 

Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 27th, 2015

Thank you very much I will write it out and see if I understand it better :)

Sep 27th, 2015

your welcome any time ok 

Sep 27th, 2015

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