Which student correctly identified the positive interval of the graphed function?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

The scatterplot below shows the number of hours that students read weekly and the number of hours that they spend on chores weekly. which statement about the scatterplot is true?