Simplify the expression.
A. 4
B. 2
C. 2
D. 
Answer: B
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The figure shows the graph of a function. At the given value of x, does the function appear to be differentiable, continuous but not differentiable, or neither continuous nor differentiable?x = 0
A. Differentiable B. Continuous but not differentiable C. Neither continuous nor differentiable
Find the equation for the plane tangent to the parametrized surface S at the point P.S is the cylinder r(?, z) = 10 cos2 ?i + 5 sin 2?j + zk; P is the point corresponding to 
.
Fill in the blank(s) with the appropriate word(s).
As part of a study on the metabolism of athletes, 400 college basketball players are randomly chosen and their weights taken. The distribution of the weights is approximately normal. The average weight is 215 pounds and the standard deviation is 15 pounds.The first quartile of the weights was approximately
A. 208 pounds. B. 225 pounds. C. 205 pounds. D. 200 pounds. E. none of these
In the diagram below, the sum of the numbers in any 2 small circles is the number in the large circle between them. Complete the diagram so that the same pattern holds.
A. 
B. 
C. 