If the Fourier transform of f(t) is F(ω) then Fourier transform of f (at) is:

• A. \(\frac{1}{{\left| a \right|}} \times F(\frac{\omega }{a})\)
• B. a F(ω)
• C. F(a ω)
• D. \(F (\frac{\omega }{a})\)