For the given functions f and g, find the requested composite function value.f(x) = 
, g(x) = x2 + 9;
Find (g ? f)(-2).
A. 
B. 
C. 25
D. 13
Answer: C
Mathematics
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Solve.The speed of a stream is 4 mph. If a boat travels 84 miles downstream in the same time that it takes to travel 42 miles upstream, what is the speed of the boat in still water?
A. 15 mph B. 14 mph C. 12 mph D. 8 mph
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Use a calculator to find the value of the expression in radian measure rounded to two decimal places.sec-1 
A. 78.46 B. 0.20 C. 11.54 D. 1.37
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Use the Gauss-Jordan method to find A-1, if it exists.A = 
A. 
B. 
C. 
D. Does not exist
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Identify the conic as a circle or an ellipse then find the center.
?
?
A. CircleCenter: (0,0) B. EllipseCenter: (0,0) C. ?CircleCenter: (3,2) D. ?EllipseCenter: (3,2) E. ?CircleCenter: (2,3)
Mathematics