Name:_________________________________________	Period:________	Test #:________

Directions: Answer all of the questions as best as you can. SHOW OF ALL YOUR WORK!!

1. Is the following a function?						Answer: ________
X	Y	
3	-1	
0	4	
3	9	
9	12	
15	30	

			

		Why or why not?    	Answer: _______________

2. Is the following graph a function?						 Answer: ________

			  Why or why not? 	  Answer: _______________

3. When f(x) = 3x – 8.  What does f(-2) equal?				Answer: ________
							
(1) -14		(2) 14		(3) -2		(4) 2		

4. When g(x) = 124x + 12.  What does g (0) + 1 equal?			Answer: ________
							
(1) 0		(2) 13		(3) 12		(4) 124

5. Solve the proportion for x:							Answer: ________

	

6. Alex goes on a 30-mile bike ride every Saturday.  He rides the distance in 4 hours.  At this rate, how far can he ride in 6 hours?							Answer:________

7. What is changing when you “rise”? 					Answer: ________
    What is changing when you “run”?					Answer: ________

8. Find the slope of a line that passes through the points (-1, 3) and (2, 5).  Remember the slope formula is: m = 
	 									Answer: ________

								

9. Are the “x” values the domain or the range? 				Answer: ________
    Are the “y” values the domain or the range?				Answer: ________

10. m =  is what kind of slope?						Answer: ________
      m = -4 is what kind of slope?						Answer: ________

Bonus:
	1. Which is dependent? The domain values or the range values? 	Answer: ________

	2. Find f(15) – 30. 

		f(x) = 12 + [(x – 5) + (50 – x) + 4]				Answer: ________