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1. |
State the domain and range of the relation. |
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A. |
All real numbers are included in the domain, and 3 is included in the range. |
B. |
3 is included in the domain, and all real numbers are included in the range. |
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C. |
3 is included in the domain, and 3 is included in the range. |
D. |
All real numbers are included in the domain and the range. |
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Hint |
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2. |
State the domain and the range of the relation {(1, 2), (-4, 2), and
(3, 5)}. Then state whether the relation is a function. |
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A. |
The domain is {-4, 1, 3}, the range is {2, 5}, and the relation is not a function. |
B. |
The domain is {-4, 1, 3},
the range is {2, 5}, and the relation is a function. |
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C. |
The domain is {2, 5}, the range is {-4, 1, 3}, and the relation is not a function. |
D. |
The domain is {2, 5}, the range is {-4, 1, 3}, and the relation is a function. |
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Hint |
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3. |
Given f(x) = 3x + 2x - 2 and g(x) = 4x + 1, find  |
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A. |
3x2 + 6x - 1 |
B. |
3x2 - 2x - 3 |
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C. |
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D. |
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Hint |
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4. |
State the domain of  (x) for f(x) =  and g(x) =  |
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A. |
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B. |
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C. |
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D. |
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Hint |
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5. |
Using the equation y = 50x + 50, predict y when x = 6. |
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A. |
400 |
B. |
250 |
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C. |
300 |
D. |
350 |
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Hint |
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6. |
Determine whether the graphs of the pair of equations
2x + 3y = 6 and 4x + 6y = 5
are parallel, coinciding, or neither. |
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A. |
neither |
B. |
coinciding |
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C. |
all are correct |
D. |
parallel |
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Hint |
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7. |
Use a graphing calculator to find the equation of the regression line. |
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A. |
y = 12x - 23,947 |
B. |
y = 2x - 25 |
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C. |
y = 23x - 21,000 |
D. |
y = x - 576 |
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Hint |
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8. |
Which is a graph of f(x) = |3x| - 1? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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9. |
Graph the equation 3x + 2y = 0 |
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A. |
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B. |
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C. |
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D. |
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Hint |
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10. |
Which function does not have a zero? |
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A. |
f(x) = x - 5 |
B. |
f(x) = -5 |
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C. |
f(x) = 3x + 5 |
D. |
f(x) = –5x +3 |
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Hint |
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11. |
Write an equation in slope-intercept form with a slope of  that passes through the point (-3, -5). |
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A. |
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B. |
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C. |
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D. |
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Hint |
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12. |
Write the equation of the line that is parallel to 2x - 3y - 15 = 0 and that passes through the point (3,4). |
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A. |
2x + 5 - 3 = 0 |
B. |
2x + 3y + 6 = 0 |
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C. |
2x - 3y + 6 = 0 |
D. |
2x - 2y + 6 = 0 |
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Hint |
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13. |
Graph the data on a scatter plot. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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14. |
Which of the following graphs represents the function: 
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A. |
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B. |
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C. |
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D. |
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Hint |
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15. |
Which is the graph of the inequality 2x + y + 3 >0? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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16. |
The maximum cost of Ana's long-distance plan is $5.00 each month plus $0.10 per minute.Name a combination of minutes and cost that fit this inequality. |
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A. |
(15,10) |
B. |
(10, 6) |
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C. |
(10,15) |
D. |
(6,10) |
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Hint |
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