Simplify the expressions. Remove all negative and zero exponents. Assume all expressions are defined.
Mathematics
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Solve the problem.Does the graph of the function y = 6x + 3 sin x have any horizontal tangents in the interval 
If so, where?
A. Yes, at x = 
, x = 
B. Yes, at x = 
C. Yes, at x = 
, x = 
D. No
Mathematics
Solve the problem.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the coordinate axes, the curve y = ex, and the line x = ln 8 about the line x = ln 8.
A. 2?(8 - ln 9) B. 2?(7 + ln 8) C. 2?(7 - ln 8) D. 2?(8 - ln 8)
Mathematics
Determine the amplitude and range of the function and sketch its graph.y = 3 cos 3?x
A. amplitude: 3; range: [0, 3]
B. amplitude: 3; range: [-3, 3]
C. amplitude: 3; range: [-3, 3]
D. amplitude: 3?; range: (-?, ?)
Mathematics
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics