Solve the rational inequality. Express the solution in interval notation.
< 1
A. (-?, -1)
B. (-1, ?)
C. (-?, -1) ? (8, ?)
D. (-1, 8)
Answer: B
Mathematics
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Use natural logarithms to solve the exponential equation. If necessary, round to the nearest thousandth.4x = 20
A. 0.463 B. 5.000 C. 1.609 D. 2.161
Mathematics
Evaluate the following expression.
A) 25
B) 35
C) 85
D) 105
E) 15
Mathematics
Use a graphing calculator to solve the problem.Let f(x) = sin 
+ cos x on the interval I = (0, 7). Use the graph to estimate where f'(x) < 0 on I.
A. (0.51, 3.14) B. (0, 5.77) C. (0.51, 3.14) ? (5.77, 7) D. (0, 0.51) ? (3.14, 5.77)
Mathematics
Which of the following expressions is equivalent to 
? (t ? ?n, where n is a whole number)
?
A. ?
B. 
C. 
D. 
E. 
Mathematics