Whats the importance of an culinary portfolio?

The culinary portfolio is the perfect supplement to a CV –where the CV details the skills, experience and qualifications of a career, the chef portfolio provides some practical demonstration and visual stimulation. Together, the two provide a powerful combination for the next steps in a career.

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.