Solve the problem.The velocity of water in ft/s at the point of discharge is given by 
where P is the pressure in 
of the water at the point of discharge. Find the rate of change of the velocity with respect to pressure if the pressure is 
A. .5560 ft/s per lb/in.2
B. 17.58 ft/s per lb/in.2
C. 3.52 ft/s per lb/in.2
D. 1.7582 ft/s per lb/in.2
Answer: D
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Calculate the conductance for the following:
1 1 1 1 Ä = ÄÄ + ÄÄÄ + ÄÄ R 25 150 50 a. 1 ÄÄ 15 b. 1 ÄÄÄ 225 c. 1 ÄÄÄ 125 d. 225
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log2(x - 3) - log2(x - 5)
A. log2
B. log2(x2 - 8x + 15)
C. log22
D. log2
Solve the problem.A rug is to fit in a room so that a border of consistent width is left on all four sides. If the room is 
by 
and the area of the rug is 30 square feet, how wide will the border be?
A. 6.5 ft B. 5 ft C. 4 ft D. 6 ft
Tell whether the expression is a polynomial. If it is, give its degree.-3z6 + z
A. Polynomial; degree 1 B. Polynomial; degree 7 C. Polynomial; degree 6 D. Not a polynomial