If f(t) and F(jω) form a transform pair, then as per symmetry in Fourier transforms

• A. F(jt) ↔ 2pf (- ω)
• B. F(jt) ↔ πf (ω)
• C. F(jt) ↔ πf (ω)/2
• D. F(jt) ↔ πf (-ω)/2