Casey has less than times as many baseball cards than ben.

Step 1:

Phrase: Casey has less than times as many baseball cards than ben.

Variable: Let represents the many baseball cards than ben.

Expressions: .

Therefore, the algebraic expression is .

Step 2:

Make a table for Caseys cards.

\ Bens cards \ Input \	\ Rule \ \	\ Caseys cards \ Output \
	\ \
	\ \
	\ \
	\ \

Step 3:

Find the domain and range.

Domain: Set of all - coordinates is .

Range: Set of all - coordinates is .

Table:

\ Bens cards \ Input \	\ Rule \ \	\ Caseys cards \ Output \
	\ \
	\ \
	\ \
	\ \

The domain is and the range is .