Find the length of the arc intercepted by the given central angle ? in a circle of radius r.? = 
, r = 78.2 m
A. 52.1 m
B. 117.3 m
C. 163.8 m
D. 368.5 m
Answer: C
Mathematics
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Provide an appropriate response.Which of the following is not a condition for applying the integral test to the sequence {an}, where 
I. f(x) is everywhere positive II. f(x) is decreasing for x ? N III. f(x) is continuous for x ? N
A. I only B. III only C. II only D. All of these are conditions for applying the integral test.
Mathematics
Use differentiation to determine whether the integral formula is correct.
dx = 
+ C
A. No B. Yes
Mathematics
Graph the hyperbola.(y - 2)2 - 9(x - 4)2 = 9
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.What is the y-intercept of y = sec x?
A. 
B. 1
C. 0
D. none
Mathematics