If the function f(x) = x+b has an inverse function, which statement must be true? 772 = 0 b = 0

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

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)

Two sides of a right triangle measure 2 units and 4 units. what is the area of the square that shares a side with the third side of the triangle?