Write the inequality in interval notation.x ? -3
A. (-?, -3)
B. [-3 ?)
C. (-3, ?)
D. (-?, -3]
Answer: B
Mathematics
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Solve the problem.Estimate the area of the surface generated by revolving the curve y = cos 2x, 0 ? x ? ?/4 about the x-axis.Use the Trapezoidal Rule with n = 6.
A. 5.108 B. 4.652 C. 7.091 D. 4.606
Mathematics
Provide the requested information about the circular function.What are the x-intercepts of y = cos x?
A. x = n?
B. x = 
+ n?
C. x = 2n?
D. x = 
+ n?
Mathematics
Determine if the statement is a rational equation.
= 
A. Yes B. No
Mathematics
Solve the problem. Round to two decimal places if needed.Find the length of the arc intercepted by a central angle of ? = 1.8 radians in a circle of radius r = 18.7 centimeters.
A. 32.66 centimeters B. 35.66 centimeters C. 34.66 centimeters D. 33.66 centimeters
Mathematics