Write the expression in expanded form.log 
A. 5 log x ? log z - 8 log y
B. 5 log x + log z - 8 log y
C. log(5x + z) - 8 log y
D. (log x)5 + log z - (log y)8
Answer: B
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Determine whether the first literal expression is equal to the second literal expression.b - a, a - (-b)
A. Yes B. No
Solve the problems.A promotional deal for long distance phone service charges a $15 basic fee plus $0.05 per minute for all calls. If Joe's phone bill was $51 under this promotional deal, how many minutes of phone calls did he make? Round to the nearest integer, if necessary.
A. 720 min B. 7 min C. 1320 min D. 2 min
Write the equation of a sine function that has the given characteristics.Amplitude: 4Period: 3?
A. y = 4 sin 
B. y = 3 sin 
C. y = 4 sin (3x)
D. y = sin (3x) + 4
Use identities to find the indicated value for each angle measure.tan ? = 
, ? < ? < 
Find sin(2?).
A. 
B. - 
C. - 
D. 