Solve the problem.A bullet is fired with a muzzle velocity of 1169 ft/sec from a gun aimed at an angle of 12° above the horizontal. Find the horizontal component of the velocity.
A. 1143 ft/sec
B. 986.5 ft/sec
C. 243.0 ft/sec
D. 248.5 ft/sec
Answer: A
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Find all the first order partial derivatives for the following function.f(x, y) = xye-y
A. 
= ye-y; 
= xe-y
B. 
= ye-y; 
= - xye-y
C. 
= ye-y; 
= xe-y(y - 1)
D. 
= ye-y; 
= xe-y(1 - y)
In a certain city there is a river running through the middle of the city. There are four islands and eleven bridges as shown in the figure below.
Suppose that there is a crossing charge of $1.00 every time one crosses a bridge. A tourist wants to start on the South Bank, stroll across each of the bridges at least once, and return to her hotel on the South Bank at the end of the trip. What is the cheapest possible cost of such a trip?
A. $11 B. $14 C. $12 D. $13 E. none of these
Use your graphing calculator to determine if the equation appears to be an identity or not by graphing the left expression and right expression together.
?
What will be an ideal response?
Find the domain of the function.H(x) = 
A. (-?, ?) B. (-?, 5) ? (5, ?) C. [5, ?) D. (5, ?)