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1. |
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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2. |
State the domain of the function  |
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A. |
all real numbers except
0, 1, and 3 |
B. |
all real numbers except
0 and 3 |
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C. |
all real numbers except 3 |
D. |
all real numbers except 0 |
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Hint |
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3. |
Find  (x) if f(x) = 3x2 + 1 and g(x) = 2x + 3. |
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A. |
12x2 - 36x + 28 |
B. |
6x2 - 5 |
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C. |
12x2 + 36x + 28 |
D. |
6x2 + 5 |
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Hint |
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4. |
Find the first three iterates, x1, x2, and x3, of the function
f(x) = 3x - 1 for an initial value x0=1. |
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A. |
2, 5, 14 |
B. |
5, 14, 41 |
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C. |
8, 23, 88 |
D. |
-4, -13, -40 |
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Hint |
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5. |
Write the standard form of the equation of the line that passes through the point (-1, 3) and is parallel to the graph of 2x - 7y + 1 = 0. |
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A. |
2x + 7y + 23 = 0 |
B. |
2x - 7y - 23 = 0 |
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C. |
2x + 7y - 23 = 0 |
D. |
2x - 7y + 23 = 0 |
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Hint |
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6. |
Which is the best prediction equation for the data? |
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A. |
y = 5x - 19,950 |
B. |
y = 10x - 19,950 |
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C. |
y = 25x - 19,950 |
D. |
y = 20x - 19,950 |
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Hint |
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7. |
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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8. |
An automobile manufacturer produces two kinds of cars--the Bobcat x and the Lion y. The company must always produce twice as many Bobcats as Lions and at least 300 cars but no more than 1200 cars per day. Model this situation algebraically. |
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A. |
300 2x + y 1200 |
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B. |
300 x + 2y 1200 and x = 2y |
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C. |
300 x + 2y 1200 |
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D. |
300 x + y 1200 and x = 2y |
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Hint |
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9. |
Find the zero of f(x) = 2x - 3, then graph 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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10. |
Find the x- and y-intercepts of the equation:  |
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A. |
x-intercept 2; y-intercept 5 |
B. |
x-intercept 5; y-intercept -2 |
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C. |
x-intercept –5; y-intercept 2 |
D. |
x-intercept –2; y intercept 5 |
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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 an equation of the line that passes through the points (-2, 4) and (6, -4). |
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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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13. |
Write the equation of the line perpendicular to 5y + 3x - 10 = 0 and that passes through the point (3,1). |
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A. |
3x + 5y - 50 = 0 |
B. |
5x + 3y - 12 = 0 |
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C. |
5x - 3y - 12 = 0 |
D. |
5x - 3y - 4 = 0 |
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Hint |
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14. |
What type of relationship does the scatter plot suggest? |
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A. |
a linear relationship with a negative correlation |
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B. |
no correlation |
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C. |
a linear relationship with a positive correlation |
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D. |
no linear relationship |
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Hint |
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15. |
Graph the equation  |
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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. |
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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