Express as a single logarithm.ln 
- ln 
+ ln (x2 - 4x + 4), x > 0
A. ln 
B. ln 
C. ln 
D. ln 
Answer: A
Mathematics
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Solve the problem.In a sample of 93 widgets, 8 were defective. How many defective widgets would you expect in a sample of 186 widgets?
A. 14 widgets B. 16 widgets C. 19 widgets D. 38 widgets
Mathematics
Multiply.8(x + 2 + 9y)
A. 8x + 16 + 72y B. 8x + 16 + 9y C. x + 16 + 72y D. 8x + 2 + 9y
Mathematics
Simplify the expression involving rational exponents.17641/2
A. 21 B. 84 C. 168 D. 42
Mathematics
List the potential rational zeros of the polynomial function. Do not find the zeros.f(x) = 5x3 - x2 + 2
A. ± 
, ± 
, ± 1, ± 2
B. ± 
, ± 
, ± 1, ± 5
C. ± 
, ± 
, ± 1, ± 2, ± 5
D. ± 
, ± 
, ± 1, ± 2, ± 5
Mathematics