The dog weights pounds more than the cat.

Step 1:

Phrase: The dog weights pounds more than the cat.

Variable: Let represents the weight of the cat.

Expressions: .

Therefore, the algebraic expression is .

Step 2:

Make a table for weight of the dog.

\ Weight of cat \ Input \	\ Rule \ \	\ Weight of dog \ Output \
	\ \
	\ \
	\ \
	\ \

Step 3:

Find the domain and range.

Domain: Set of all - coordinates is .

Range: Set of all - coordinates is .

Table:

\ Weight of cat \ Input \	\ Rule \ \	\ Weight of dog \ Output \
	\ \
	\ \
	\ \
	\ \

The domain is and the range is .