QUESTION 15 4 points Write an equation for the linear function and use it to answer the given question. Normaltown High School's pool record for the 100-yard freestyle was 47.4 in 1990. Assume that the record falls at a constant rate of 0.05 second per year. What does the model predict for the record in 2021? O R= 47.4 - 0.05t; 45.85 seconds OR=47.4t - 0.05; 1469.35 seconds OR=47.4 + 0.05t; 48.95 seconds OR= 47.4t + 0.05; 1469.45 seconds

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Differential Equations

Have you ever observed the movement of the satellites and rockets or how the planets go around the sun in their orbits? How will you determine their motion? Definitely they follow some scientific laws and these kinds of problems are framed as differential equations.