Evaluate the expression by hand, if possible.4 log 0.01
A. 6
B. -8
C. - 2
D. 2
Answer: B
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Graph the function.A satellite is orbiting the earth such that its displacement D north of the equator (or south if D < 0) is given by 
Sketch two cycles of D as a function of t. Use 
, and 
. Label the point on the horizontal axis which represents the end of the second cycle.
A. 
B. 
C. 
D. 
Match the equation with the appropriate graph.f(x) = 
A. 
B. 
C. 
D. 
Factor the polynomial completely.21p2q2 - 27pq3 + 21p4q5
A. 3pq2(7p - 9q + 7p3q3) B. 3p2q2(7 - 9q + 7p2q3) C. 3pq2(7p - 27q + 21p3q3) D. 3pq(7pq - 9q2 + 7p3q4)
Use properties of logarithms to write the expression in terms of logarithms of x, y, z.logb
A. x8z4 - y6b2 B. 8 logbx + 4 logbz - 6 logby + 2 C. 8 logbx + 4 logbz - 6 logby - 2 D. logbx8 + logbz4 + logby6 - logbb2