Clear will removes all graphs 

syms n;limit(n-1,n,nan,'left')

 To stop execution 

 How many functions are there in the following mathematical relation 

p=sin(pi*(log(x))

 To display the partnership of 3 batsmen with one batsman, one uses _____ 

 The fir1 command can be used to find 

What is the condition on x in the function bar(x, y)?

  the Workspace show 

Statement 1- x3 is the invalid variable name in MATLAB 

Statement 2- size is the invalid variable name in MATLAB 

Statement 3- 3x is the invalid variable name in MATLAB 

Statement 1- To exhibit time-series or spatial-series data, Bar-diagram is suitable 

Statement 2- To exhibit time-series or spatial-series data, Ratio-chart is suitable 

Statement 3- To exhibit time-series or spatial-series data, Pie-chart is suitable