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 785. Find a linear function, S(t), which fits this data, and which expresses score as a function of time. Use this function to predict an average score for persons taking a 56-hour review course. Round your answer to the tenths place.
A. 720.0
B. 741.3
C. 731.5
D. 727.3
Answer: D
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A. 4 B. -4 C. -1 D. 1
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What will be an ideal response?