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 |