A mechanic is paid $13.00 per hour for regular time and time-and-a-half for overtime. The weekly wage function is given by
?
?
where h is the number of hours worked in a week.
?
Evaluate W(30), W(50).
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A. ?W(30) = 410, W(50) = 750
B. ?W(30) = 430, W(50) = 770
C. ?W(30) = 400, W(50) = 740
D. ?W(30) = 390, W(50) = 730
E. ?W(30) = 420, W(50) = 760
Answer: D
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A. y = 
x - 
B. y = - 
x - 
C. y = 
x - 
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A. 
B. 
C. 
D. 