Find a function whose graph matches the figure.
A. 2.5 sin 
B. 2.5 sin 
C. 5 sin 
D. 2.5 sin 
Answer: B
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Determine whether the argument is valid or invalid.If Ann so wishes, then Bill will be the president. Manuel is a public defender or Bill will be the president. Manuel is not a public defender. Therefore, Ann does not so wish.
A. Valid B. Invalid
Evaluate the expression. All numbers are approximate. State your answer with the proper accuracy and precision.3.02(-60.5)2 - 2500/1.163 + 0.7285
A. 13,397 B. 13,400 C. 9424 D. 2.17
Solve.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 68 watches B. 34 watches C. 30 watches D. 32 watches
A point P(r, ?) in polar coordinates is given. Determine the rectangular coordinates P(x, y).
A. 
B. 
C. 
D. 