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 770. Find a linear function S(t), which fits this data, and which expresses score as a function of time.
A. S(t) = 3.375t + 511.5
B. S(t) = 3.75t + 507.5
C. S(t) = -3.75t + 507.5
D. S(t) = 3.375t - 511.5
Answer: B
Mathematics
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