Complete the table to determine the balance a for $2100 invested at rate r for t years and compounded n times per year. (round your answers to the nearest cent.)

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step-by-step explanation:

check above link.

graphically?   well, you graph them both, the solutions is where they both intersect each other, since there are two solutions, meaning they will meet twice, or namely the linear will run into the quadratic curve twice, and where they meet, those x,y coordinates are the solutions to the system.