According to the graph H(w) below, what happens when w gets close to zero?

Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1

100 points, hi, i’m not sure what to do here, the data doesn’t seem to be quadratic .? can anyone me, in advance

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?