Solve the inequality algebraically. Express the solution in interval notation.x(x + 3)(5 - x) ? 0
A. [0, 5]
B. (-?, -3] ? [0, 5]
C. [-3, 0] ? [5, ?)
D. [-3, 5]
Answer: B
Mathematics
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Calculate.17.2 × 3 
A. 61.79 B. 61.92 C. 62.23 D. 62.01
Mathematics
Give the value of the indicated trigonometric function of a vector with the indicated end point.(0, -2); Find cos ?.
A. 1 B. -2 C. 2 D. 0
Mathematics
Solve the equation.
= 
- 
A. 
B. {10}
C. {0}
D. {1}
Mathematics
Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the function. Then, use a graph to determine the actual number of positive and negative real zeros.P(x) = -4x4 - 8x3 - 9x2 - 2x + 9
A. possible: 0 or 2 pos, 0 or 2 neg
actual: 2 pos, 0 neg
B. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg
C. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg
D. possible: 1 pos, 1 neg
actual: 1 pos, 1 neg
Mathematics