Stitz-Zeager_College_Algebra_e-book

# While in general the curves in a system of non linear

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Unformatted text preview: ow many servings each of Ippizuti Fish, Misty Mushrooms, and Sun Berries he needs to eat each day. (b) An adult female Sasquatch requires 3100 calories, 120 grams of protein, and 300 milligrams of Vitamin X daily. Use the matrix inverse you found in part (a) to ﬁnd how many servings each of Ippizuti Fish, Misty Mushrooms, and Sun Berries she needs to eat each day. (c) An adolescent Sasquatch requires 5000 calories, 400 grams of protein daily, but no Vitamin X daily.10 Use the matrix inverse you found in part (a) to ﬁnd how many servings each of Ippizuti Fish, Misty Mushrooms, and Sun Berries she needs to eat each day. 6. Using the matrices A, B and D from Exercise 1, show AB = D and D−1 = B −1 A−1 . That is, show that (AB )−1 = B −1 A−1 . 7. Let M and N be invertible n × n matrices. Show that (M N )−1 = N −1 M −1 and compare your work to Exercise 8 in Section 5.2. 8. Matrices can be used in cryptography. Check out this website for a nice example of how this is done. With the help of your classmates, see if you can create a 3 × 3 matrix M with integer entries...
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## This note was uploaded on 05/03/2013 for the course MATH Algebra taught by Professor Wong during the Fall '13 term at Chicago Academy High School.

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