(a) Find a function f(x) satisfying the conditions f"(x) = -27 cos(-3x), f(0) = 7, f'(0) = 4, f"(0) = 6. %3D f(x) = %3D (b) Find a function f(x) satisfying the conditions f"(x) = -27 cos(-3x), f(0) = 6, f'(0) = 7, f"(0) = 4. %3D f(x) I

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