Which of these profiles is used by the FROMM scheme?

• A. Φ(x)=k0+k1 (x-xc)+k2 (x-xc)2
• B. Φ(x)=k1 (x-xc )+k2 (x-xc)2c) Φ(x)=k0+k1 (x-xc)d) Φ(x)=k1 (x-x
• C. +k2 (x-xc)2b) Φ(x)=k1 (x-xc )+k2 (x-xc)2c) Φ(x)=k0+k1 (x-xc)
• D. Φ(x)=k1 (x-xc)