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March 1, 2015

March 1, 2015

Posted by **isha** on Sunday, February 28, 2010 at 3:28pm.

f(x)= (8+x)/(1-8x)

(a) Find the derivative of the function using the definition of derivative.

(b) Give the domain of the function.

c) Give the domain of derivative of function?

- calculus -
**Reiny**, Sunday, February 28, 2010 at 4:04pmuse the quotient rule

dy/dx = [(1-8x)(1) - (8+x)(-8)]/(1-8x)^2

= ... (you simplify it)

b) domain of f(x) is any real number, x not equal to 1/8

c) same as b)

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