For the plotting part, please give the exact equation to enter into a graphing calculator with the correct formula for the correct donor. Please explain in easy-to-understand terms with explanations:
A) Provide the precise mathematical expression for the graphing calculator, ensuring the correct formula is utilized for the specific donor being analyzed.
B) Offer step-by-step instructions on how to input the equation into the graphing calculator, ensuring clarity and accuracy.
C) Include explanations in simple language to help users understand the process of using the graphing calculator effectively for plotting.
D) Ensure that the equation entered into the calculator aligns with the chosen donor and corresponds accurately to the intended graphing analysis.