What effect did lowering the outlier have on the median

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown below

How do you answer this question? (step by step)

In exponential growth functions, the base of the exponent must be greater than 1,how would the function change if the base of the exponent were 1? how would the fiction change if the base of the exponent were between 0and 1