Find the exact value of the expression.cos-1
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the value of the objective function at each corner of the graphed region. What is the maximum value of the objective function? What is the minimum value of the objective function?Objective Function z = 5x + 6y
A. maximum value: 61; minimum value: 42 B. maximum value: 42; minimum value: 11 C. maximum value: 64; minimum value: 61 D. maximum value: 64; minimum value: 11
Mathematics
Find the product. Write the product in rectangular form, using exact values.[4 cis 315°] [6 cis 225°]
A. 24 B. -24i C. -24 D. 24i
Mathematics
Find the square root.
A. 20 B. 1600 C. 80 D. 40
Mathematics
Solve the equation symbolically.log4 x = -3
A. x = 
B. x = - 
C. x = - (3)4
D. x = -4?3
Mathematics