For any values less than -3, the answer is undefined, because then you have a negative value for √x+3
Answer:
The answer is B to your question
The break-even point is given when:

In another words, when the costs are equal to the revenue. If this happens, the profit will be equal to 0. From the graph, the profit is equal to 0 for 60,000 units.
Answer:
B
5x+8=-27
8 more means addition. -27 would be total. 5 times the number ( in this case x) would mean multiplication.