Solve the problem.Find the point on the line of intersection of the planes    and    that is closest to the origin.

A.
B.
C.
D.


Answer: B

Mathematics

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Find all the first order partial derivatives for the following function.f(x, y) = ln 

A. fx(x, y) = - ; fy(x, y) = 
B. fx(x, y) = ; fy(x, y) = 
C. fx(x, y) = -ln  ; fy(x, y) = ln 
D. fx(x, y) = -ln ; fy(x, y) = ln 

Mathematics

Find the values of x for which the given function is concave up, the values of x for which the function is concave down, and any points of inflection.y = x4 - x3 + 12

A. Concave down for 0 < x < 2, concave up for x < 0, x > 2, points of inflection at (0, 12) and (2, 8) B. Concave down for x < 2, concave up for x > 2, point of inflection at (2, 8) C. Concave up for 0 < x < 2, concave down for x < 0, x > 2, points of inflection at (0, 12) and (2, 8) D. Concave up for x < 0, concave down for x > 0, point of inflection at (0, 12)

Mathematics

What is the value of C required to cause a low pass filter to cutoff at 18 KHz if R = 13.7 Kê?

a. 0.00015 æF b. 645 pF c. 0.004 æF d. 345 pF e. 0.0006 æF

Mathematics

Solve the problem.There were 28,000 people at a ball game in Los Angeles. The day's receipts were $208,000. How many people paid $14 for reserved seats and how many paid $6 for general admission?

A. 18,000 paid $14 and 10,000 paid $6 B. 10,000 paid $14 and 18,000 paid $6 C. 5000 paid $14 and 23,000 paid $6 D. 23,000 paid $14 and 5000 paid $6

Mathematics