1.   What are the vertices of the triangle formed?
   
    A. (100, 400), (500, 400), and (100, 800)
    B. (100, 400), (400, 500), and (100, 800)
    C. (100, 400), (500, 400), and (800, 100)
    D. (100, 400), (400, 500), and (800, 100)
    Hint

  2.   Find the maximum value of f(x, y) = 2x + y - 4 for the system of inequalities:
y -3x + 1
y x - 4
x 0
y 0
    A. alternate optimal solutions B. infeasible
    C. 2 D. unbounded
    Hint

  3.   Find the maximum value of f(x, y) = 2x + y - 4 for the system of inequalities:
y -3x + 1
y x - 4
x 0
y 0
    A. 2 B. unbounded
    C. infeasible D. alternate optimal solutions
    Hint

  4.   Sam has $10,000 to deposit in two different savings accounts. He wants at least $3,000 in the account with 3% interest. He wants no less than $5,000 in the account with 7% interest.Graph this system of inequalities.
    A. B.
    C. D.
    Hint

  5.   Sam has $10,000 to deposit in two different savings accounts. He wants at least $3,000 in the account with 3% interest. He wants no less than $5,000 in the account with 7% interest. For the equation l(x, y) = 30x + 70y find the maximum interest if the vertices are (3,5), (3,7) and (5,5)
    A. 440 B. 580
    C. no maximum D. 500
    Hint



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