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Mathematics, 20.11.2020 09:40 jonathanjenkins701

F is a trigonometric function of the form f(x) = a cos(bx + c) + d. Below is the graph of f(x). The function has a maximum point at (-2, -3) and a minimum point at
(-2.5, -9).
Find a formula for f(x). Give an exact expression.

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