Help help help plz help answer this questioon

Find dy/dx using implicit differentiation ln(20+e^xy)=y

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry