Simplify the expression.
3 ? 
2
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Compute the gradient of the function at the given point.
A. - 
i + 
j
B. 
i + 
j
C. 
i + 
j
D. 
i + 
j
Mathematics
Find three positive numbers whose sum is and whose product is a maximum.
What will be an ideal response?
Mathematics
For its beef stew, Betty Moore Company uses aluminum containers that have the form of right circular cylinders. Find the radius and height of a container if it has a capacity of 26 in.3 and is constructed using the least amount of metal. ?
A. 
B. ?
C. ?
D. ?
Mathematics
Evaluate the function f at the indicated value.
{5x + 1, if x < 15x, if 5 ? x ? 105 - 5x, if x > 10
A. 25 B. 6 C. 51 D. -20
Mathematics