(5 + j9) - (2 + j3) =
a. 3 - j6
b. 7 + j12
c. 7 - j6
d. 3 + j12
e. 3 + j6
e. 3 + j6
Mathematics
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Multiply.2 ? (-1) ? (-8) ? (-2)
A. -32 B. -4 C. 18 D. 32
Mathematics
Simplify and reduce to lowest terms.
- 
+ 
A. 1
B. 
C. 
D. -1
Mathematics
Simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Find the range of the polynomial function. f(x) = 3x2 + 18x + 23
A. (-?, 4] B. [4, ?) C. [-4, ?) D. (-?, -4]
Mathematics