Answer:

Step-by-step explanation:
Given

Required
The difference quotient for h
The difference quotient is calculated as:

Calculate f(x + h)



The numerator of
is:


Collect like terms


So, we have:

Rewrite as:


Answer:
24
Step-by-step explanation:
A negative times another negative results in a positive number
2 times 12=24
-2 times -12=24
Answer:
5/8 of an inch
Step-by-step explanation:
Answer:
7x-11y+9=0
Step-by-step explanation: