Find a formula for the linear function whose contours are shown below. 
Definitions:
ROE
Return on Equity; a financial ratio indicating the profitability of a company in relation to its equity capital.
EPS
Earnings Per Share; a metric that indicates the portion of a company's profit allocated to each outstanding share of common stock.
Financial Risk
The possibility of losing money on an investment or business venture, including the risk of losing some or all of the original investment.
Financial Leverage
The use of borrowed funds to increase the potential return of an investment, amplifying both potential gains and losses.
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