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 6 years.
A. 0.0558
B. 0.2231
C. 0.1942
D. 0.7769
Answer: B
Mathematics
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, 1) for 7x2 + 5y3 + 2xy = 0.
A. - 
B. - 
C. 
D. - 
Mathematics
Solve the problem.All 30 of the students in a mathematics class attended class on Monday. On Tuesday only 19 students attended. What was the percent of decrease?
A. 42.1% B. 63.3% C. 36.7% D. 57.9%
Mathematics
Provide an appropriate response. Rewrite as an exponential equation: log10 100 = 2
A. 10-2 = 
B. 102 = 
C. 102 = 100
D. 10-2 = 100
Mathematics
The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
D. f-1(x) = 
Mathematics