Rewrite the objective function into a maximization function.Minimizew = y1 + 3y2 + y3 + 4y4subject to:y1 + y2 + y3 + y4 ? 31 2y1 + 2y2 + y3 + 2y4 ? 58 y1 ? 0, y2 ? 0, y3 ? 0, y4 ? 0
A. Maximize z = -x1 - x2 - x3 - x4 ? -31
B. Maximize z = -2x1 - 2x2 - x3 - 3x4 ? -58
C. Maximize z = x1 + 3x2 + x3 + 4x4 - x5
D. Maximize z = -x1 - 3x2 - x3 - 4x4
Answer: D
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Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Assume the functions are one-to-one. Find the requested inverse.Find (f ? f-1)(5)
A. 3 B. 0 C. -2 D. 5
Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.logb (yz6)
A. logb y + logb6z B. 6 logb yz C. 6 logb y + 6 logb z D. logb y + 6 logb z
Solve the equation for x, where x is restricted to the given interval.y = -5 sin 8x, for x in 
A. x = 
arcsin 
B. x = 
arcsin 
C. x = 
arcsin 
D. x = - 
arcsin 