Provide an appropriate response.Use the simplex method to minimize Z = -x1 + 2x2 subject to x1 + x2 ? 4 5x1 + x2 ? -12 2x1 + 5x2 ? -14 3x1 - 2x2 ? 17
What will be an ideal response?
Z = -11 when x1 = 3, x2 = -4
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Use identities to find the exact value of the function for the given value.sec ? = and ? is in quadrant I; Find tan ?.
A. 
B. 
C. - 
D. 
Multiply. Write a mixed numeral for the answer.4
? 2
A. 8
B. 16
C. 8
D. 10
Solve by graphing.During the month of January 1997, the depth of snow y (in inches) at the base of one ski resort could be approximated by the linear equation 
where x is the number of days since December 31st. Graph the equation and use the graph to estimate the depth of snow on January 30th. 
A. 12 inches B. 7 inches C. 37 inches D. 15 inches
Solve the system of equations using the inverse of the coefficient matrix.
A. x = 1, y = -3 B. x = 3, y = -1 C. x = -3, y = 1 D. x = -1, y = 3