What is the answer to 400/(1+e^-x)=350
400/(1+e^-x)=350400=350(1+e^-x)400=350+350e^-x350e^-x=400-350350e^-x=50e^-x=50/350e^-x=1/7ln e^-x=ln (1/7)-x ^(ln e)=ln1-ln7-x(1)=0-ln7x=ln7Answer: x= ln 7 ≈1.94591...
