I've been stuck on this for about 2 hours but it still doesn't make any sense to me, please help

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?

Consider the function y = f(x)=3^x the values of f(1/2) and f(1/4). rounded to the nearest hundredth, are__and__ respectively

100 points, hi, i’m not sure how to get the equation from the graph and table.