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One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Determine domain and range, largest open interval, and intervals which function is continuous.