Solve the problem.A college student earned $7800 during summer vacation working as a waiter in a popular restaurant. The student invested part of the money at 
and the rest at 
If the student received a total of $598 in interest at the end of the year, how much was invested at 
A. $2600
B. $1114
C. $5200
D. $3900
Answer: A
Mathematics
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Sketch the graph of the function.y = ln (x2 + 1)
A. 
B. 
C. 
D. 
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Add.-19 + (-12) + (-5) + (-7) + 20 + (-5)
A. -68 B. 20 C. -6 D. -28
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Find the sum of the geometric series.
Round the answer to four decimal places when necessary.
A. 461.8554 B. 5123.1183 C. 9171.1034 D. 4585.5517
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Draw the graph of the equation.x2 + y - 5 = 0
A. 
B. 
C. 
D. 
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