7. A part for a machine must meet certain length requirements, in centimeters (cm), as shown in the inequality below.
16.75 – x1 <0.25
Which statement completely describes the length requirements for this machine part?
A. The length of the part must be less than 7 cm.
B. The length of the part must be greater than 6.5 cm.
C. The length of the part must be less than 6.5 cm or greater than 7 cm.
D. The length of the part must be greater than 6.5 cm and less than 7 cm.