

1. 
What type of relationship or pattern does the scatter plot suggest? 





A. 
none of these 
B. 
a linear relationship whose data have a negative relationship 


C. 
a linear relationship whose data have a positive relationship 
D. 
no pattern 


Hint 


2. 
Use a graphing calculator to find the equation of the regression line. 





A. 
y = x  576 
B. 
y = 2x  25 


C. 
y = 12x  23,947 
D. 
y = 23x  21,000 


Hint 


3. 
A triangle ABC has vertices A(3, 1), B(4, 2), and C(7, 1). Find the coordinates of the dilated triangle for a scale factor of 3. 


A. 
A,/i>'(12, 6), B'(21, 3), C'(9, 3) 
B. 
A'(9, 3), B'(12, 6), C'(21, 3) 


C. 
A'(21, 3), B'(12, 6), C'(9, 3) 
D. 
A'(3, 9), B'(6, 12), C'(3, 21) 


Hint 


4. 
Sketch the graph of the function f(x) = x^{2}  6. 


A. 



B. 



C. 



D. 



Hint 


5. 
Which is the graph of f(x) = x^{2}  3 and its inverse? 


A. 

B. 



C. 

D. 



Hint 


6. 
The function f(x) = 3x^{2}  x^{3} has critical points at x = 0 and x = 2. Determine whether each of these critical points is the location of a relative maximum, relative minimum, or a point of inflection. 


A. 
(0, 0) minimum and (2, 4) point of inflection 
B. 
(0, 0) minimum and (2, 4) maximum 


C. 
(0, 0) maximum and (2, 4) minimum 
D. 
None of these is correct. 


Hint 


7. 
If A = 39° and b = 7.2, find c. 





A. 
about 9.3 units 
B. 
about 8.9 units 


C. 
about 11.4 units 
D. 
about 5.6 units 


Hint 


8. 
Evaluate tan . 


A. 

B. 



C. 
 
D. 
 


Hint 


9. 
Find the sum of and . 





A. 

B. 



C. 

D. 



Hint 


10. 
A transformation in threedimensional space is represented by . Which matrix represents this transformation? 


A. 

B. 



C. 

D. 



Hint 


11. 
If M(5, 4) is the midpoint of and C has coordinates (9, 2), find the coordinates of D. 


A. 
(7, 3) 
B. 
(6, 1) 


C. 
(3, 7) 
D. 
(1, 6) 


Hint 


12. 
Evaluate . 


A. 
2048 
B. 
1024 


C. 
256 
D. 
512 


Hint 


13. 
Find the sum of the series . 


A. 
The sum does not exist. 
B. 



C. 

D. 



Hint 


14. 
0!=_____? 


A. 
undefined 
B. 
0 


C. 
1 
D. 



Hint 


15. 
Find the domain of f(g(x)) given f(x) = , and g(x) = x1 


A. 
all real numbers 
B. 
x1,1 


C. 
x1 
D. 
x0, 1, 1 


Hint 


16. 
The function f(x) =  (x + 2)^{3}  3 has a critical point at x = 2. Determine whether this is the location of a maximum, minimum or a point of inflection. 


A. 
maximum 


B. 
point of inflection 


C. 
extremum 


D. 
minimum 


Hint 


17. 
Solve sec^{2} x =  2 for 90° < x < 90°. 


A. 
0° 
B. 
60° 


C. 
60°, 60° 
D. 
30°, 30° 


Hint 


18. 
The point P with polar coordinates can also be represented in polar coordinates as __________. 


A. 

B. 



C. 

D. 



Hint 


19. 
Express the complex number 9 – 4i in polar form. 


A. 



B. 



C. 



D. 



Hint 


20. 
Solve 4^{6x} = 496. 


A. 
0.7462 
B. 
0.6472 


C. 
3.6413 
D. 
4.4771 


Hint 

