# Evaluate the diference quotent

1. Jul 23, 2009

### vorcil

Evaluate the difference quotient for the given function, simplify your awnser

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

f(x)-f(1)/(x-1)

2. Jul 23, 2009

### n!kofeyn

Do you know what the difference quotient is? If so, list it please. Also, I'm not for sure what you mean by f(x)-f(1)/(x-1). Is there a typo here?

3. Jul 24, 2009

### HallsofIvy

Staff Emeritus
Note that "f(x)- f(1)/(x-1)" means
$f(x)- \frac{f(1)}{x- 1}$

Did you mean
$\frac{f(x)- f(1)}{x- 1}}$?

If so, please show what you have done. What is f(1)? What is f(x)- f(1)?

4. Jul 24, 2009

### ralilu

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