Feelin generous today, thought i'd give away some points. what is your favorite tv show or video game and what is your favorite character?

What is the inverse of the function f(x)=4x+8

An an average person has 6×10 by the power of two as many red blood cells as white blood cells a small sample of the blood has 7×10 by the power of three white blood cells about how many red blood cells are in the sample

If you answer right ill give brainliest, : )