3

Set 4: Linear Functions (Advanced)

Explanation

Answer: A

A startup's profit is modeled by P=1000m5000P = 1000m - 5000. When does the company break even (P=0P=0)?

A.

55 months

✓ Correct
B.

5050 months

C.

1010 months

D.

22 months

Detailed Explanation

Choice A is correct. Choice A is the correct answer. Set P=0P=0. 1. Equation: 0=1000m50000= 1000 m - 5000. 2. Add 5000: 5000=1000m5000= 1000 m. 3. Divide: m=5m = 5. Strategic Tip: Break-even is the x-intercept. Choice B is incorrect. Choice C is incorrect. Choice D is incorrect.

Key Steps:

The correct answer is 55 months

Why others are wrong:
B: Choice B is incorrect and may result from a calculation error.
C: Choice C is incorrect and may result from a calculation error.
D: Choice D is incorrect and may result from a calculation error.

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