Use the graph to determine the function's domain and range.
A. domain: [4, ?)
range: [-5, ?)
B. domain: (-?, ?)
range: [-5, ?)
C. domain: (-?, 4) or (4, ?)
range: (-?, -5) or (-5, ?)
D. domain: (-?, ?)
range: (-?, ?)
Answer: B
Mathematics
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Convert the angle to decimal degrees and round to the nearest hundredth of a degree.185°52'21"
A. 185.88° B. 185.83° C. 185.93° D. 185.87°
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Simplify the expression.
A. - 
B. 
C. 
D. 
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Expand the expression.log6 
A. 8 log6 x - 
log6 y + 
log6 z
B. 8 log6 x - 
log6 yz9
C. 8 log6 x - 
log6 y - 
log6 z
D. 
Mathematics
Solve.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being the profit in dollars, and x the number of hotdogs sold. How many hotdogs must he sell to earn the most profit?
A. 39 hotdogs B. 40 hotdogs C. 20 hotdogs D. 41 hotdogs
Mathematics