Solve the problem.After two years on the job, an engineer's salary was $45,000. After seven years on the job, her salary was $57,500. Let y represent her salary after x years on the job. Assuming that the change in her salary over time can be approximated by a straight line, give an equation for this line in the form y = mx + b.
A. y = 12,500x + 20,000
B. y = 2500x + 40,000
C. y = 12,500x + 45,000
D. y = 2500x + 45,000
Answer: B
Mathematics
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