Rewrite the expression as a single logarithm.2 log2x - 
log2y - 
log2x
A. log2 
B. log2 
C. log2 
D. log2 
Answer: C
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Solve the problem.A construction crane lifts a bucket of sand originally weighing 
at a constant rate. Sand is lost from the bucket at a constant rate of
. How much work is done in lifting the sand 
? (Neglect the weight of the bucket.)
A. 9600 ft ? lb B. 8700 ft ? lb C. 7800 ft ? lb D. 6900 ft ? lb
Evaluate the integral.
dx
A. 
B. 
+ C
C. 2032
D. 
Find a formula for the nth term of the arithmetic sequence whose first term a and common difference d are given.a = -3; d = 
A. an = -3n + 
B. an = 
n + 3
C. an = 
n - 
D. an = 
n - 3
Find the zeros of the polynomial function and state the multiplicity of each.f(x) = (x2 + 14x + 45)2
A. x = 
, multiplicity 2; x = -
, multiplicity 2
B. x = -5, multiplicity 2; x = -9, multiplicity 2
C. x = 9, multiplicity 2; x = 5, multiplicity 2
D. x = -
, multiplicity 4