Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.3 loga (2x + 1) - 2 loga (2x - 1) + 2
A. loga (2x + 1) + 2
B. loga 
C. loga 2(x + 1)
D. loga (2x + 3)
Answer: B
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Find the slope of the polar curve at the indicated point.r = 
, ? = 4?
A. 0 B. Undefined C. -4? D. 4?
Solve the problem.Find the equation of the surface that results when 9x2 + 6y2 = 11 in the xy-plane is revolved about the y-axis.
A. 9x2 + 9y2 + 9z2 = 11 B. 9x2 + 6y2 + 9z2 = 11 C. 6x2 + 6y2 + 6z2 = 11 D. 6x2 + 9y2 + 6z2 = 11
Find the quotient and the remainder.5x3 + 30x2 - 30x + 35 divided by x + 7
A. x2 + 6x + 7; remainder 0 B. 5x2 + 5x + 5; remainder 0 C. 5x2 - 5x + 5; remainder 0 D. x2 + 5x + 5; remainder 0
Provide an appropriate response.If a fraction with denominator 
must be written as an equivalent fraction with denominator 
then the original fraction must be multiplied by 
in both the numerator and the denominator.
A. True B. False