Chapter 6.4, Problem 24E

Let f = -2x² + 5y² where x = cos(t) and y = sin(t). af using the chain rule. Write your answer as a function of t. Ət Calculate af Ət = Choose File No file chosen > Next Question

Express the function in the form   f ° g  ° h

The number of daylight hours, d, can be modeled as a function of the day of the year by the equation d (t) = 3.5 sin +12.2, where t represents the number of days since March 21st. Which of the following 365 represents the minimum number of daylight hours predicted by this model? (1) 7.2 (3) 8.7 (2) 8.1 (4) 9.2