Solve.A cruise boat travels 36 miles downstream in 4 hours and returns to its starting point upstream in 12 hours. Find the speed of the stream.
A. 9 mph
B. 15 mph
C. 3 mph
D. 6 mph
Answer: C
Mathematics
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? 
A. 
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D. 
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Simplify the exponential expression.x6 ? x-2
A. 
B. x4
C. - 
D. -x4
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For the given functions f and g, find the requested function and state its domain.f(x) = 
; g(x) = 
Find f ? g.
A. (f ? g)(x) = 
; {x|x ? -7, x ? 0}
B. (f ? g)(x) = 
; {x|x ? 0}
C. (f ? g)(x) = 
; {x|x ? -7, x ? 0}
D. (f ? g)(x) = 
; {x|x ? -7, x ? 0}
Mathematics
Give the equation of the vertical asymptote(s) of the rational function.g(x) = 
A. x = -6 B. x = 6, x = -6 C. x = 7 D. x = 6
Mathematics