i think this is the last one oh well the hot air balloon is about 4 mi. away from the landing strip how many yards away is it- thanks so much!

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|