From 1978 to 2008 the amount of lead allowed in the air in the United States was 1.5*10^-6 gram per cubic meter. In 2008 the amount was reduced by 90%. WHat is the new amount of lead allowed in the air?

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.