Rationalize the numerator. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.Find the area between y = ln x and the x-axis from x = 1 to x = 3.
A. 3 ln 3 - 3
B. 
C. 3 ln 3 - 2
D. ln 3
Solve the problem.Persons taking a 30-hour review course to prepare for a standardized exam average a score of 620 on that exam. Persons taking a 70-hour review course average a score of 772. Find a linear function, S(t), which fits this data, and which expresses score as a function of time. Use this function to predict an average score for persons taking a 51-hour review course. Round your answer to the tenths place.
A. 692.5 B. 713.8 C. 704.0 D. 699.8
Choose the most reasonable metric length unit. Choose from km, m, cm, and mm.The length of the basketball court is 26 
.
A. km B. mm C. m D. cm
Match the equation with the surface it defines.f(x, y) = - 
A. 
B. 
C. 
D. 