Find the LCD for the set of fractions.
, 
A. 4
B. 44
C. 120
D. 480
Answer: C
Mathematics
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Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 4
B. 4
C. 20
D. 4
Mathematics
Determine whether the function is one-to-one.h(x) = 
x - 
A. One-to-one B. Not one-to-one
Mathematics
Solve the logarithmic equation.log 3x = log 4 + log (x - 1)
A. 
B. -4
C. 4
D. - 
Mathematics
Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.
A. 
B. 
C. 
D. 
Mathematics