Find a polynomial function with real coefficients that has the given zeros.
?
2, 4 + 3i
?
A. x3 - 10x2 + 41x + 50
B. x3 + 10x2 + 41x + 50
C. x3 - 10x2 + 41x - 50
D. x3 - 10x2 - 41x - 50
E. x3 + 10x2 + 41x - 50
Answer: C
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Use reduction formulas to evaluate the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Express the integrand as a sum of partial fractions and evaluate the integral.
dx
A. ln 
- 
tan-1 
- 
+ C
B. ln 
- 
tan-1 
+ C
C. - 
tan-1 
- 
+ C
D. ln 
- 
+ C
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.The cost of an item is $176. For a special year-end sale the price is marked down 20%. Find the selling price of the item.
A. $211.20 B. $35.20 C. $146.67 D. $140.80
In the problem, sin ? and cos ? are given. Find the exact value of the indicated trigonometric function.sin ? = 
, cos ? = 
Find sec ?.
A. 
B. 
C. 
D. 