Find the potential function f for the field F.F = - i + j + k

A. f(x, y, z) = -  + C
B. f(x, y, z) =  + C
C. f(x, y, z) =  + C
D. f(x, y, z) =  + C


Answer: B

Mathematics

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The following table shows the comparison of the cost, in dollars, of a $100,000 life insurance policy for female nonsmokers at certain ages


(a) Using the data points (32, 172) and (35, 182) find a linear function that fits the data.
(b) Use the linear function to predict life insurance cost for a female nonsmoker of age 38.

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The given graph is a function. Determine which of the choices is the graph of its inverse.

A.

B.

C.

D.

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Given that , find .

A. 486 B. 324 C. 225 D. 108 E. limit does not exist

Mathematics