Exam
Name___________________________________
| MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. | ||||
| Is the following correspondence a function? | ||||
| 1) | 
  | 1) ______ | ||
| A) Yes | |
| B) No | 
| 2) | 
  | 2) ______ | 
| A) Yes | |
| B) No | 
| 3) | 
  | 3) ______ | 
| A) Yes | |
| B) No | 
| Tell whether or not the relation is a function. | ||
| 4) | {(-3,9), (-2,-9), (1,-8), (7,-2)} | 4) ______ | 
| A) Yes | |
| B) No | 
| 5) | {(-9,-6), (-9,8), (1,-2), (4,-9), (9,4)} | 5) ______ | 
| A) Yes | |
| B) No | 
| Determine whether the graph is the graph of a function. | ||
| 6) | 
 
 | 6) ______ | 
| A) Yes | |
| B) No | 
| 7) | 
 
 | 7) ______ | 
| A) Yes | |
| B) No | 
| 8) | 
 
 | 8) ______ | 
| A) Yes | |
| B) No | 
| Evaluate as requested. | ||
| 9) | Given that f(x) = x2 - 4x - 2, find f(3). | 9) ______ | 
| A) 19 | |
| B) -1 | |
| C) 23 | |
| D) -5 | 
| Evaluate. | ||
| 10) | If f(x) = (x - 7)2, find f(3). | 10) ______ | 
| A) 16 | |
| B) -8 | |
| C) 100 | |
| D) -16 | 
| Evaluate as requested. | ||
| 11) | 
Given that f(x) =  , find f   .
 | 11) ______ | 
A) 
 
 | 
|
| B) 36 | |
C) 
-  
 | 
|
| D) - 36 | 
| Evaluate. | ||
| 12) | Find g(a - 1) when g(x) = 4x + 2. | 12) ______ | 
| A) 4a + 1 | |
| B) 4a - 2 | |
C) 
 a + 2
 | 
|
| D) 4a + 2 | 
| Evaluate as requested. | ||
| 13) | 
A graph of a function f is shown below. Find f(2.7). 
 | 13) ______ | 
| A) 1 | |
| B) -3.587 | |
| C) 2.1 | |
| D) -1.34 | 
| 14) | 
A graph of a function g is shown below. Find g(1.5). 
 | 14) ______ | 
| A) 3.9375 | |
| B) 2.1 | |
| C) -4.0656 | |
| D) -1.5 |