Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 801. Find a linear function which fits this data.
A. y = -4.525x + 484.25
B. y = 4.0725x + 488.25
C. y = 4.0725x - 488.25
D. y = 4.525x + 484.25
Answer: D
Mathematics
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