The solution of the previous problem is
Select the correct answer.
?
A. 
B. 
, where 
is given by an infinite series
C. 
D. 
E. 
Answer: B
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Find the product.(3x + 12)(3x - 12)
A. 3x2 - 72x - 144 B. 9x2 - 144 C. 9x2 - 72x - 144 D. 9x2 + 72x - 144
Find the modulus of the number.13 + i
A. 14
B. 
C. 170
D. 
Simplify the power of i.i61
A. 1 B. i C. -1 D. -i
Two woodworkers, Tom and Carlos, earn a profit of $95 for making a table and $68 for making a chair. On average, Tom must work 3 hours and Carlos 2 hours to make a chair. Tom must work 2 hours and Carlos 6 hours to make a table. If neither wishes to work more than 42 hours per week, how many tables and how many chairs should they make each week to maximize their income? The information is summarized in Illustration. TableChairTime availableProfit (dollars)9568 Tom's time (hours)2342Carlos' time (hours)6242?
A. no tables and 21 chairs: $1,995 B. 12 tables and 3 chairs: $1,344 C. 13 tables and 2chairs: $1,344 D. 3 tables and 12 chairs: $1,101 E. none of these