The equation y=5x represents the total cost, y, of buying x donuts at Store 1. The graph shows the total cost, y, of buying x donuts at Store 2

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

How many zeros does the function f(x)=4x3-x2+1 have

Is the square root of 4 plus the square root of 16 rational?