(8-1) Find the Domain and Range of the following relations. (3 points each.)

1. { (1, 8) , (2, -3) , (1, 6) , (-4, -2) } Domain: ______________________

Range: _______________________

Is this relation a function? Yes or No (circle one)

Explain:

2. { (3, 4) , (2, 4) , (-2, 1) , (5, -4) } Domain: ______________________

Range: _______________________

Is this relation a function? Yes or No (circle one)

Explain:

(8-6) Use the following ordered pairs to find slope (m). Leave in improper fraction form. (2 points each.)

3. ( 3 , 4 ) 4. ( 5 , -9 )

( 1 , 1 ) ( -1 , 3 )

(8-4) Given f ( x ) = 2 x + 3 and g ( x ) = - 4 x , find the following: (2 points each.)

5. f ( 2 ) =

6. g ( -3 ) =

7. f ( -5 ) =

8. g ( f ( -3) ) =

All graphing problems on this page are 3 points each. Remember to show all work.

(8-3) Graph using a T-Chart. (8-8) Graph and solve the system of equations.

9. y = x - 2 10. y = - x + 2 Solution( ___, ___ )

y = 2 x + 5

(8-7) Graph the solution. (8-9) Graph the solution.

11. 2 x + y = 4 12. y < 3 x - 4