Find critical points and inflection points of function

Reference no: EM131011847

f(x) = -0.707x + sinx over the interval 0 less than or equal to x less than or equal to 2π. Find critical points and inflection points of f. All I've got is the f'(x), which would be -0.707 + cos(x) and the f''(x) = -sin(x), but I don't know what to do from there.

Reference no: EM131011847

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