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Answer:
- C = 100p +400
- y-intercept: 400
- the fixed cost for ...
Explanation:
The graph shows C = 400 when p = 0 (at the left edge). This is the y-intercept value, and is the cost of production when no phones are produced. It is essentially the fixed cost of rent and equipment.
When p=1, the graph shows C = 500. That is, the cost goes up by 100 when p goes up by 1. This is the cost per phone. It shows up in the cost equation as the slope. So, the cost equation is ...
C = 400 +100p