Use the differentiation feature on a graphing calculator to find the indicated derivative.f(x) = 0.50x3 - 1.62x2 + 4.25x - 2.9; f'(-3)
A. 27.470
B. 24.570
C. -11.410
D. 22.610
Answer: A
Mathematics
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Solve and graph.7x - 10 < -31 and -9 - 4x > -13
A. (-?, 1)
B. (-?, -3)
C. (-?, -3) ? (1, ?)
D. (-3, 1)
Mathematics
Write the system of linear equations represented by the augmented matrix. Use x, y, z, and, if necessary, w for the variables.
A.
| 6x + 9y + 6z | = | -2 |
| 2x + 7z | = | 4 |
| 6x + 8y | = | 2 |
B.
| 6x + 9y + 6z | = | -2 |
| 2x + 7z | = | 4 |
| 6x + 8z | = | 2 |
C.
| 6x + 9y + 6z | = | -2 |
| 2x + y + 7z | = | 4 |
| 6x + 8y + z | = | 2 |
D.
| 6x - 9y + 6z | = | -2 |
| 2x + 7z | = | -4 |
| 6x + 8y | = | -2 |
Mathematics
Without solving, determine the character of the solutions of the equation in the complex number system.x2 + 2x - 8 = 0
A. two unequal real solutions B. two complex solutions that are conjugates of each other C. a repeated real solution
Mathematics
Solve the equation. Give exact solutions.
e2x + 2ex = 
A. {ln(
- 2)}
B. {ln(2 - 
)}
C. {ln(
- 1)}
D. {ln 
}
Mathematics