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This example explores how to determine the cost of producing bicycle helmets in relation to the number of hours the assembly line is in operation. Given the production function n = P(t) = 0.75t - 2t^2, representing the number of helmets produced over t hours, and the cost function C(n) = 0.7n + 1000, which gives the cost based on the number of helmets, we show how to derive a cost function that depends on hours worked. We also find the production cost when the assembly line operates for 12 hours, providing a practical application of function composition.
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Example 1 • Evaluate
Your turn • Evaluate
Example 4 • Find the indicated values for the following functions if:
ENR Example 5 • The number of bicycle helmets produced in a factory each day is a function of the number of hours (t) the assembly line is in operation that day and is given by n = P(t) = 75t – 2t2. • The cost C of producing the helmets is a function of the number of helmets produced and is given by C(n) = 7n +1000. Determine a function that gives the cost of producing the helmets in terms of the number of hours the assembly line is functioning on a given day. Find the cost of the bicycle helmets produced on a day when the assembly line was functioning 12 hours.(solution on next slide)
Solution to Example 5: • Determine a function that gives the cost of producing the helmets in terms of the number of hours the assembly line is functioning on a given day. • Find the cost of the bicycle helmets produced on a day when the assembly line was functioning 12 hours. ENR