Review Ch6-7

# Review Ch6-7 - x ≥ 0 y ≥ 0 x ≥ 0 y ≥ 0 7 Minimum...

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FIU:  MGF1106 REVIEW Sections 6.1, 6.3-4, 7.1-3 Show work on this test paper (at least the set-up)! 1. Solve by substitution:   - = - - = x y x y 3 2 6 2 3 1. ____________ 2. Solve by addition:  - = - = - x y x y 4 3 5 3 2 2 2. ____________ 3. Mr. and Mrs. Thompson invested \$10,000, some in a CD that yielded 5% 3.  CD = __ ______ __ simple interest and some in a mutual fund at 7% simple interest.  If the  income from both investments at the end of one year was \$628, how much  MF =  _________ was invested in each.  4. Graph the inequality: 3x - 6y > -18 5. Graph:    x y x y ≥ - - - 3 1 2 4 : Form B

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Form B
For 6 and 7, given z = 15x + 12y, find the minimum and maximum:   6. Minimum: _______ 6. Constraints: 7. Constraints: 3x + 2y < 18 3x + 2y ≥ 18     Maximum: _______ 2x + 10y > 38 2x + 10y ≥ 38

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Unformatted text preview: x ≥ 0 y ≥ 0 x ≥ 0 y ≥ 0 7. Minimum: _______ Maximum: _______ 8. Jen’s Bed & Breakfast designates not more than 12 of its rooms as either Exec Rooms = ____ executive rooms or business-class rooms; but there must be at least one of each. Each executive room costs \$24 a day to operate, while each business-class room costs \$12 a day to operate. Operating expenses should Bus. Rooms = ____ not exceed \$180 a day. Daily net profit is \$60 for each executive room and \$40 for each business-class room. How many rooms of each time should be designated to maximize net profit? What is the profit? Profit = __________ P = Constraints: Vertices: Form B Form B...
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Review Ch6-7 - x ≥ 0 y ≥ 0 x ≥ 0 y ≥ 0 7 Minimum...

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