Determine the domain of the function.h(x) = 
A. {x| x ? -3 and x ? 3}
B. {x| x ? -3, x ? 3, and x ? -4}
C. {x| x ? 0 and x ? 9}
D. {x| x is a real number}
Answer: C
Mathematics
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Provide an appropriate response.Subtract: 9
- 3
A. 5
B. 6
C. 5
D. 5
E. none of the above
Mathematics
Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the curves y = ± 
and the lines x = 1 and x = 9, with density ?(x) = 
A. 
= 2, 
= 0
B. 
= 5, 
= 0
C. 
= 4, 
= 0
D. 
= 3, 
= 0
Mathematics
Multiply. Write the answer in lowest terms. 
? 
A. 
B. 
C. - 
D. - 
Mathematics
Solve the system of equations using the substitution method.
A. (2.3, .2) B. (2.9, 2) C. (.23, 2) D. (2.3, 2)
Mathematics