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1. |
Describe the graph. |
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A. |
neither a relation nor a function |
B. |
relation but not function |
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C. |
not a relation but a function |
D. |
relation and function |
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Hint |
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2. |
Evaluate the function f(x) = 2x3 - 6x + 1 for f(-2). |
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A. |
37 |
B. |
-35 |
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C. |
5 |
D. |
-3 |
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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 - 2x - 3 |
B. |
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C. |
3x2 + 6x - 1 |
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. |
The population of Abnerville was 12,500 people in 1950. In 2000, the population was 250,000. Find the average rate of increase in the population over the 50 year period. |
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A. |
47.5 or about 48 people per year |
B. |
4750 people per year |
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C. |
475 people per year |
D. |
47,500 people per year |
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Hint |
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6. |
Determine whether the graphs of the pair of equations
3x - 2y = 7 and 3x + 2y = 7
are parallel, coinciding, or neither. |
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A. |
neither |
B. |
coinciding |
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C. |
parallel |
D. |
all are correct |
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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 = 23x - 21,000 |
B. |
y = 2x - 25 |
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C. |
y = x - 576 |
D. |
y = 12x - 23,947 |
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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. |
Which is the graph of the inequality x > -2? |
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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 is the graph of the inequality y  |x - 3|? |
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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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11. |
Which function does not have a zero? |
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A. |
f(x) = x - 5 |
B. |
f(x) = 3x + 5 |
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C. |
f(x) = -5 |
D. |
f(x) = –5x +3 |
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Hint |
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12. |
Write an equation of a line that has no slope and passes through
the point (5,-6). |
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A. |
x = -6 |
B. |
x = 5 |
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C. |
y = 5 |
D. |
y = -6 |
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Hint |
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13. |
Write a linear equation to represent the cost y of a long distance calling plan that charges $5.99 plus $0.07 per minute for x number of minutes. |
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A. |
y = 5.99x + 0.07 |
B. |
y = x - 5.99 |
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C. |
y = 0.07x + 5.99 |
D. |
y = x + 5.99 |
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Hint |
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14. |
How can you tell if two lines are perpendicular? |
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A. |
The slopes are opposite reciprocals. |
B. |
The slopes are reciprocals. |
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C. |
The slopes are opposites. |
D. |
The slopes are the same. |
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Hint |
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15. |
Graph the data on a scatter plot. |
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A. |
 |
B. |
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C. |
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D. |
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Hint |
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16. |
A bank charges a $10 fee if the account balance is less than $200. If the balance is in between $200 and $500 there is a $5 fee. If at least $500 is in the account, there is no fee.Graph the fee schedule for different account balances. |
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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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