Your answer is C.
Hope this helped.
The y-intercept is obtained when we equate x to 0, where x is the number of songs bought. Thus, before buying any songs, $6 have to be paid. This is the cost of joining the the music club. The second statement is true.
All of the values follow the same formula rule. n= n x (n-1) / 2
Use this formula to find the number of segments.
The answer is y=0
See the attached photo for details
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