Alice invests $2000 in two certificates of deposit; the interest on the first certificate is 3%, and the interest on the second is 4%. Let's denote the amount she invests in the first certificate by x. Then the amount she invests in the second certificate is 80 Incorrect: Your answer is incorrect. . The interest she receives on the first certificate is 60 Incorrect: Your answer is incorrect. , and the interest she receives on the second certificate is Incorrect: Your answer is incorrect. . So a function that models the total interest she receives from both certificates is y = Incorrect: Your answer is incorrect. .

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