7.32.3 Can you answer these questions?

7.32.3.1 Using ColorFunction Rasterizes the plot
7.32.3.2 Discrepancy between AbsoluteTiming and actual execution time with Table
7.32.3.3 Superfluous un-simplifiable condition returned by Reduce
7.32.3.1 Using ColorFunction Rasterizes the plot

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=256025

When I make a simple plot using ColorFunction, the Mathematica rasterize the plot. Is anyone else having this issue? Does anyone know a way to avoid this? 
... 
[plotting] [color] [vector] [mathematica-online] [rasterize]
 
asked by astro https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81965 3 votes
7.32.3.2 Discrepancy between AbsoluteTiming and actual execution time with Table

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=255912

While trying to benchmark whether or not I could benefit from  ParallelTable[]  I ran into a rather strange discrepancy between the time reported by ... 
[evaluation]
                                                                                  

                                                                                  
 
asked by Xav101 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=81923 1 vote
7.32.3.3 Superfluous un-simplifiable condition returned by Reduce

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=255874

No real "problem" here, just wondering why this is happening and how one might force Mathematica to simplify this. Consider: 
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[equation-solving] [simplifying-expressions]
 
asked by thorimur https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=63584 2 votes