Find the distance between the two points

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4

The table represents a function. what is the value of f(-1)? f(x) o f(-1) = -3 -5 of(-1) = -1 of(-1) = 0 of(-1) = 6 - 3 whats the answer

There is set of 100 observation with a mean of 50 and a standard deviation of 0 what is the value of the smallest observation in the set