stuck on this problem

Question

Find

f(a), f(a + h),

and the difference quotient

f(a + h) − f(a)

h

,

where h ≠ 0.

f(x) = 

5x

x − 9

f(a)	=
f(a + h)	=
f(a + h) − f(a) h	=

 

Answer 1

Step 1:

The function is .

Find the value .

Substitute in the function.

Find the value .

Substitute in the function.

Find the difference quotient .

Substitute and in .

Solution:

The values are