Evaluate the expression by hand, if possible.log
A. 12
B. 
C. 3
D. 
Answer: B
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Solve. Check for extraneous solutions.x = 
+ 7
A. {3, 12} B. {-9} C. {12} D. {3}
Use graphical methods to solve the linear programming problem.2x + 6y ? 304x + 2y ? 20x ? 0y ? 0Minimize P = 0.18x + 0.12y
A. Minimum of 1.08 when x = 4 and y = 3 B. Minimum of 1.2 when x = 4 and y = 4 C. Minimum of 1.86 when x = 9 and y = 2 D. Minimum of 1.02 when x = 3 and y = 4
Find an equation of the tangent line to the curve 
at the point (4,1). Select the correct answer.
a. y = ?1.11x+17 b. y = ?1.11x+3.43 c. y = 1.11x+5.43 d. y = ?1.11x+5.43 e. None of these
Find all solutions of the equation in the interval [0, 2?). Round the solution to four decimal places.cot x = -7
A. 0.1419, 2.9997 B. 3.2835, 6.1413 C. 2.9997, 6.1413 D. 2.9997