Hi everyone i need help with all the asnwers on this test

To make a monster appear large in a movie, a human actor wore a costume and walked through a scale model of a city. the scale used was 1 inch = 15 feet. the actor is 60 inches tall. how tall does the monster appear in the movie? question 5 options: 720 feet 75 feet 4 feet 900 feet

What is the average rate of change for this function for the interval from x=2 to x=4 ?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?