Find the derivative of the function.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
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Simplify the radical expression by factoring out the largest perfect nth power. Assume that all variables are positive.
? 
A. 3x3y3
B. 3
C. 9x6y6
D. 3x3y3
Solve the problem.A rectangular piece of cardboard measuring 20 inches by 50 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. For what value of x will the volume be a maximum? If necessary, round to 2 decimal places.
A. 18.93 in. B. 22.07 in. C. 4.4 in. D. 37.86 in.
Provide an appropriate response.In a proportion, if one number from one of the ratios is unknown, how many of the remaining numbers are needed to find its value?
A. None B. One C. Two D. Three
Find the midpoint between the two points.(-4, -8) and (4, -5)
A. 
B. 
C. (0, -13)
D. 