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Pg. 244 Homework

Pg. 244 Homework. Pg. 246 #45 – 47 all Pg. 244 #12, 13, 15, 3, 4, 9 Pg. 255 #5, 11, 14, 19 #35 #36 Graph #37 R = 6.52 ohms #38 #39 Graph #40 r = 3.84cm, h = 7.67cm #41 #42 L ≤ 45 #43 P = 120, L = 30 #20 x = -1.94, x = 1.94

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Pg. 244 Homework

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  1. Pg. 244 Homework • Pg. 246 #45 – 47 allPg. 244 #12, 13, 15, 3, 4, 9Pg. 255 #5, 11, 14, 19 • #35 #36 Graph • #37 R = 6.52 ohms #38 • #39 Graph #40 r = 3.84cm, h = 7.67cm • #41 #42 L ≤ 45 • #43 P = 120, L = 30 #20 x = -1.94, x = 1.94 • #22 (-1.71, 2.22) #24 x = -1.98; (0, ¾); y = x + 1 • #26 x = -0.93, x = 1.18; (0, -1); VA@ x = 1; y = x2 + 3x + 14 • #10 x = 5 #12 (-∞, -6]U(-5, ∞)

  2. 4.3 Equations and Inequalities with Rational Functions Fully graph or solve as needed:

  3. 4.3 Equations and Inequalities with Rational Functions Word Problem!! Find an algebraic representation for the perimeter P as a function of L. What are the restrictions on L for this problem situation? Find a complete graph of this problem situation. What value of L minimizes the perimeter? What is the minimum perimeter? • A single-story house with a rectangular base is to contain 900 sq ft of living area. Local building codes require that both the length L and the width W of the base of the house be greater than 20 ft. To minimize the cost of the foundation, the builder wants to minimize the perimeter of the foundation.

  4. 4.4 Radical Functions The nth root when n is even The nth root when n is odd You can take the odd root of a positive or negative number. Therefore the domain and range ofis (∞, ∞). Odd roots are restricted to the 1st and 3rd quadrants unless they are shifted, reflected or have something effecting them. • You can only take the even root of a positive number • Therefore the domain and range of is [0, ∞). • The range is [0, ∞). • Even roots are restricted to the 1st quadrant unless they are shifted, reflected or have something effecting them.

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