Question: 11. Suppose that a function f has exactly one x-intercept. Which of the following statements MUST be true? 11. ______ A. f is an invertible

11. Suppose that a function f has exactly one x-intercept. Which of the following statements MUST be true? 11. ______ A. f is an invertible function. B. f is a linear function. C. There is one point on the graph of f which has an x-coordinate of 0. D. The equation f (x) = 0 has exactly one real-number solution 18. Suppose $5,400 is invested in an account at an annual interest rate of 2.7% compounded Continuously. How long (to the nearest tenth of a year) will it take the investment to double in size? Suppose $5,400 is invested in an account at an annual interest rate of 2.7% compounded continuously. How long (to the nearest tenth of a year) will it take the investment to double in size

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