Graph the function. If there is a removable discontinuity, repair the break by redefining the function using an appropriate piecewise-defined function. 
Definitions:
IRR
Stands for Internal Rate of Return, a financial metric used to estimate the profitability of potential investments.
MIRR
The Modified Internal Rate of Return, which adjusts the IRR for the cost of capital and provides a better indication of a project's efficiency and profitability.
IRR
Internal Rate of Return; a metric in finance that helps in calculating the expected profitability of prospective investments.
Cash Flow
The total amount of money being transferred into and out of a business, affecting the company's liquidity.
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