While mining, sara found a large metal bar that weigh 20 pounds. sara was also able to determine that able to determine that the bar has 8 pounds of copper. what percent of the weight of the bar was copper? round your answer to the nearest tenth if necessary.

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

Asap describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x). f(x)=-5.8sin x. g(x)=sin x. a: vertical stretch by a factor of 5.8, reflection across y-axis. b: vertical stretch by a factor of 5.8,reflection across x-axis. c: horizontal stretch by a factor of 5.8, reflection across x-axis. d: horizontal stretch by a factor of 5.8 reflection across y-axis.

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?