Find the sum.
A. - 
B. - 
C. - 
D. - 
Answer: A
Mathematics
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Evaluate i) x2 and ii) -x2 for the given value of x.- 
A.
| i) |  |
B.
| i) |  |
C.
| i) | -  |
D.
| i) |  |
Mathematics
Find the moment or center of mass of the wire, as indicated.Find the center of mass of a wire of constant density that lies along the line 
from x = 0 to 
A. 
= 9, 
= 9
B. 
= 
, 
= 
C. 
= 9, 
= 0
D. 
= 3, 
= 3
Mathematics
Evaluate the function.If f(x) = x2 + 3x - 2, find f(-2).
A. 8 B. 12 C. 0 D. -4
Mathematics
Factor by grouping.m2(x - y) + 2(y - x)
A. (y - x)(m2 - 2) B. (x + 2)(m2 - y) C. (x - y)(m2 + 2) D. (x - y)(m2 - 2)
Mathematics