Asked by Arya

. The power to propel an airplane (or even a bird) forward at a velocity, v, (hence the velocity is positive) is P = Av^3 +(BL^2/ v) where A and B are positive constants specific to the particular aircraft (or bird) and L is the lift, the upward force supporting the weight of the plane (or bird). What is the implied domain of this function? Think about lower and upper bounds for velocity.

Answers

Answered by oobleck
since v is the forward velocity, v > 0
I guess the upper bound would depend on the available power for existing engines.
Answered by Arya
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