Write the set as indicated.Write {17, 18, 19, 20} using set-builder notation.
A. {x?x is a natural number between 16 and 21}
B. {17, 18, 19, 20}
C. {x?x is a natural number less than 21}
D. {x?x is a natural number between 17 and 20}
Answer: A
Mathematics
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Evaluate the integral.
A. -
x e-2x - e-2x + C
B. -10x e-2x - 26 e-2x + C
C. -
x e-2x - 
e-2x + C
D. 
x e-2x + 
e-2x + C
Mathematics
Simplify the expression without a calculator.(-3)-2
A. -9
B. - 
C. 9
D. 
Mathematics
Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 4 km B. 5 km C. 2.646 km D. 3.5 km
Mathematics
Which of the following points is in the feasible set of the system of inequalities?
A. (-1, 2) B. (3, -2) C. (4, 5) D. (2, 0) E. none of these
Mathematics