Solve the problem.It took three assembly-line workers 7.25 seconds, 7.495 seconds, and 6.7 seconds to assemble a product. How many seconds in all did they work?
A. 21.445 sec.
B. 13.95 sec.
C. 14.745 sec.
D. 6.945 sec.
Answer: A
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Find all the local maxima, local minima, and saddle points of the function.
A. f(0, 0) = -3439, saddle point; f(9, 10) = 0, saddle point; f(9, -10) = 0, saddle point; f(-9, 10) = 0, saddle point; f(-9, -10) = 0, saddle point B. f(0, 0) = -3439, saddle point; f(0, 10) = 6561, local maximum; f(0, -10) = 6561, local maximum; f(9, 0) = -10,000, local minimum; f(9, 10) = 0, saddle point; f(9, -10) = 0, saddle point; f(-9, 0) = -10,000, local minimum; f(-9, 10) = 0, saddle point; f(-9, -10) = 0, saddle point C. f(0, 0) = -3439, saddle point; f(0, 10) = 6561, local maximum; f(9, 0) = -10,000, local minimum D. f(0, 10) = 6561, local maximum; f(0, -10) = 6561, local maximum; f(9, 0) = -10,000, local minimum; f(-9, 0) = -10,000, local minimum
Provide an appropriate response.Solve the following inequality: 5 - 3x ? -10
Fill in the blank(s) with the appropriate word(s).
Solve.12 - 3(x + 5) = 15 - 6(x + 2)
A. 2 B. 12 C. 18 D. 6
Rationalize the denominator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 5p2