Acountry's population in 1992 was 39 million. in 1997 it was 42 million. estimate the population in 2009 using the exponential growth formula.

The graph of f(x) is obtained by reflecting the graph of f(x)=-3|x| over the x-axis. which equation describes f(x)? a) f(x)=3|x| b) f(x)=|x+3| c) f(x)=-3|x| d) f(x) = - |x+3|