How to find the equation for a piecewise function graph calculator

The reset circuit used on the four 3-bit counters analyzed in this activity reset the counts to zero (000). it makes sense for the up-counters to start at zero (000), but the down-counters should start at seven (111). what would you need to change so that the 3-bit binary down counter with j/k flip-flops you just created would reset to seven (111)?

What a backup plan that you have created in a event you encounter a situation

Which of these is most responsible for differences between the twentieth century to the twenty-first century?