Rationalize the numerator. Assume that all radicands represent positive real numbers.
A. 
B. 
C. - 
D. 
Answer: A
Mathematics
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Evaluate 5x - 1 for x = - 1.
A. - 5 B. - 4 C. 3 D. - 6 E. 2
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Solve the problem.Let f(x) = 
. Find a function y = g(x) so that (f ? g)(x) = x.
A. g(x) = 
B. g(x) = 
C. g(x) = x(x - 8)
D. g(x) = 
Mathematics
The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. 
What temperature was recorded at 12 p.m.?
A. 75°F B. 77°F C. 78°F D. 79°F
Mathematics
Solve the problem.Find the sum of the first 4 terms of the arithmetic sequence with first term 1 and common difference -2.
A. 4 B. -7 C. 1 D. -8
Mathematics