Solve the equation.log (x + 5) = log (4x - 4)
A. 
B. 
C. 
D. 
Answer: B
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Use a half-angle identity to find an exact value for the following, given the information about x. Find cos x given that cos 2x = 
and 0 ? 2x < 
.
A. cos x = 7
B. cos x = 
C. cos x = 
D. cos x = 
State a sample space S with equally likely outcomes for the given experiment.A box contains 2 blue cards numbered 1 through 2, and 3 green cards numbered 1 through 3. List the sample space of picking a blue card followed by a green card.
A. S = {(1,1), (1,2), (2, 1), (2, 2), (3, 1), (3, 2)} B. S = {(1, 1), (1, 2), (1, 3), (2, 1), (2, 2), (2, 3)} C. S = {12} D. S = {7}
Write in fractional notation. Do not simplify.1.02
A. 2.0
B. 2
C. 1
D. 
Find a quadratic inequality whose solution is given.
A. x2 - 2x - 15 > 0 B. x2 - 2x + 15 > 0 C. x2 - 2x + 15 < 0 D. x2 - 2x - 15 < 0