. Let a, b ∈ ℝ and f : ℝ → ℝ be defined by f(x) = a cos (|x3 - x|) + b |x|
Let a, b ∈ ℝ and f : ℝ → ℝ be defined by f(x) = a cos (|x3 - x|) + b |x| sin(|x3 + x|). Then f is
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Let a, b ∈ ℝ and f : ℝ → ℝ be defined by f(x) = a cos (|x3 - x|) + b |x| sin(|x3 + x|). Then f is