Write the given number in scientific notation.721
A. 7.21 × 103
B. 7.21 × 101
C. 7.21 × 10-2
D. 7.21 × 102
Answer: D
Mathematics
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Determine from the graph whether the function has any absolute extreme values on the interval [a, b].
A.
| Absolute minimum only. |
B. Absolute minimum and absolute maximum.
C. Absolute maximum only.
D. No absolute extrema.
Mathematics
Solve the quadratic inequality by sketching the graph of the corresponding quadratic function.x2 - 9x + 8 < 0
A. Solution: [1, 8]
B. Solution: (1, 8)
C. Solution: (-?, 1) ? (8, ?)
D. Solution: ?
Mathematics
Simplify the expression. Assume that all variables represent positive real numbers.(27x15)-2/3
A. 9x9
B. 9x5
C. 
D. 
Mathematics
Solve the equation.2x = 
A. 
B. {3}
C. {-3}
D. 
Mathematics