Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log (10,000x)
A. 4log x
B. 4 + log x
C. 40 + log x
D. 4x
Answer: B
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Express the number in terms of j.
A. 10j
B. ±10
C. -j
D. -10j
Identify the polynomial as a monomial, binomial, trinomial, or none of these. 8s5 - 8s - 6
A. Monomial B. None of these C. Binomial D. Trinomial
Divide. Simplify, if possible.
÷ 
A. 
B. 
C. 
D. 
Find the integrating factor, the general solution, and the particular solution satisfying the initial condition. 2ty' - y = 
; y(1) = -1, t > 0
A. integrating factor: 2t
general solution: y = - 
+ 
particular solution: y = - 
+ 
B. integrating factor: t-1/2
general solution: y = - 
+ Ct1/2
particular solution: y = - 
+ t1/2
C. integrating factor: 2t
general solution: y = - 
+ 
particular solution: y = - 
+ 
D. integrating factor: t-1/2
general solution: y = -4 + Ct1/2
particular solution: y = -4 + 3t1/2