Solve the inequality and express the solution set in interval notation. Graph the solution set on the real number line.8x + 7 ? 7x + 6
A. (13, ?)
B. (-?, -1]
C. [-1, ?)
D. (-1, ?)
Answer: C
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Solve the problem.The velocity of water ft/s at the point of discharge is given by 
where P is the pressure 
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. 0.1354 ft/s per lb/in2 B. 0.9574 ft/s per lb/in2 C. 47.87 ft/s per lb/in2 D. 1.91 ft/s per lb/in2
Solve the equation.
= 
A. 
B. 11
C. 
D. No solution
Perform the indicated division.
A. x - 5
B. x + 5 + 
C. x + 5
D. x2 + 5
Solve the problem.A thermometer reading 9°C is brought into a room with a constant temperature of 25°C. If the thermometer reads 17°C after 3 minutes, what will it read after being in the room for 6 minutes? Assume the cooling follows Newton's Law of Cooling: U = T + (Uo - T)ekt.(Round your answer to two decimal places.)
A. 0.58°C B. 29°C C. 24.75°C D. 21°C