SOLUTION: 110. Area of a sail. The area in square meters for a triangular sail is given by A(x) = x^2 + 5x + 6. a) Find A(5). b) If the height of the sail is x + 3 meters, then what is the

Question 189519: 110. Area of a sail. The area in square meters for a triangular sail is given by A(x) = x^2 + 5x + 6.
a) Find A(5).
b) If the height of the sail is x + 3 meters, then what is the length of the base of the sail?
106. Worker efficiency. In a study of worker efficiency at Wong Laboratories it was found that the number of components assembled per hour by the average worker t hours after starting work could be modeled by the formula
N(t)=3t^3 + 23t^2 + 8t.

Answer by feliz1965(151) (Show Source): You can put this solution on YOUR website!
Area of a sail. The area in square meters for a triangular sail is given by
A(x) = x^2 + 5x + 6.
a) Find A(5).
I will do one question. Next time, place one question per post. This allows many tutors to reply. Everyone has a different method. The more people that reply, the higher your chances of finding or learning a method that is best for you.
To solve part a, simply replace x with 5 and simplify the function.
A(5) = (5)^2 + 5(5) + 6
A(5) = 25 + 25 + 6
A(5) = 50 + 6
A(5) = 56

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