Solve the problem.The life (in months) of an automobile battery has a probability density function defined by 
for x in 
Find the probability that the life of a randomly selected battery is greater than 5 years.
A. 0.0716
B. 0.7135
C. 0.2865
D. 0.1784
Answer: C
Mathematics
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Using Green's Theorem, find the outward flux of F across the closed curve C.F = ln (x2 + y2) i + tan-1 
j; C is the region defined by the polar coordinate inequalities 
and 
A. 63 B. 65 C. 0 D. 126
Mathematics
Find the length of the curve.The curve r = 9 sin3 
, 0 ? ? ? 
A. 27(3
- ?)
B. 
(5? - 9
)
C. 
(2? - 3
)
D. 
(5? - 8)
Mathematics
Simplify the exponential expression. 
-2
A. y10
B. 
C. 
D. 
Mathematics
Solve using the multiplication principle.6x = 48
A. 42
B. 288
C. 8
D. 
Mathematics