Solve.A patient must drink 3 L of water in the 2-hr period before a certain test is administered. How many milliliters per hour must the patient drink?
A. 1500 mL
B. 6 mL
C. 1.5 mL
D. 150 mL
Answer: A
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Solve. Graph the solution on a number line, and express it in interval notation.x + 4 < 6
A. x < 2, (-?, 2)
B. x > 2, (2, ?)
C. x ? 2, [2, ?)
D. x ? 2, (-?, 2]
Without graphing, describe the shape of the graph of the function and complete the ordered pairs 
and 
f(x) = 62x
A. The graph lies above the x-axis, rises from right to left, with the negative 
as a horizontal asymptote; 
B. The graph lies below the x-axis, falls from right to left, with the positive 
as a horizontal asymptote; 
C. The graph lies below the x-axis, falls from left to right, with the positive 
as a horizontal asymptote; 
D. The graph lies above the x-axis, rises from left to right, with the negative 
as a horizontal asymptote; 
Simplify the expression. Assume that all variables represent nonnegative real numbers.
+ 2
- 4
A. -5x
B. -2x
C. -5x
D. -2x
Perform the indicated operations and simplify.
A. 
B. 
C. 
D. 
E. 