PLEASE HELP DUE IN 1 HOUR

One of the inventors of integrated circuits observed that the number of transistors that fit on an integrated circuit will double every 24 months. what type of relationship most appropriately models this situation?

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4