solve for all please and thank you

I. demonstrate your ability to draw a well-labeled graph of a piecewise-defined function; 2. improve your mathematical writing to include full solutions with justifications; 3. integrate mathematical statements into grammatically correct expositions. Assignment: Draw a well-labeled graph of the following piecewise-defined function. Include justifications for each mathematical step within a grammatically correct exposition. f (x) = Ja2+2 ifx