Screen Shot 2019-11-30 at 11.15.20 PM.png - 2 The demand for ground chuck(hamburger in a certain regio demand for ground chuck elastic or inelastic 7 1

# Screen Shot 2019-11-30 at 11.15.20 PM.png - 2 The demand...

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Unformatted text preview: 2) The demand for ground chuck (hamburger) in a certain regio demand for ground chuck elastic or inelastic? 7 1 = elastic a = 2.98 p - 0.20 &lt;1 = inelastic E = P . do E = K P 2. 98 . p - 0. 20 . * ( 2 . 98 ) ( 0.20). p- 1:20 dp P P (2 9 8 ) ( 0 . 20 ) . P &quot; - P 298. 1 - 0.20 2.98 p- 0.20 - 1.20 da : ( 2.98 ) ( - 0. 20 ) . p- 0.20 - 1 P . p (0. 20) ap P - 0. 20 = - (2.98) (0. 20 ) p - 1. 20 p 1- 1. 2 (0.20 ) 0.20 P- 0.20 This demand is inelastic (0. 20) P - 2 2 = 0. 20 3) Find the largest open intervals where the function is concave upward. f (x) =x3- 3x2-4x +5 f (x ) = X - 3x - 4x +5 f ' (x ) = 3x2-6x-4 f&quot; (x ) = 6x - 6 f &quot; ( - 2 ) = - 18 A f &quot; ( 2 ) = 6 27 X - 6 = 0 6 X = 6 2 X = 1 oncave upward : (1,00)...
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