The value of 4^9 is how many times as great as the value of 4^6?? help

Answer this question! 30 points and brainliest! only if you know the answer.

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values