Pls help I don’t do math

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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 perimeter of an isosceles triangle with each leg measuring 2x+3 and the base measuring 6x-2?