Perform the indicated operation and express in lowest terms.
- 
A. x + 5
B. 
C. 
D. 
Answer: B
Mathematics
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Find the domain.f(x) = 
A. {x|x ? 20} or [20, ?) B. {x|x ? 0} or [0, ?) C. All real numbers or (-?, ?) D. {x|x ? -20} or [-20, ?)
Mathematics
Solve for I2.
a. 1.05 A
b. 0.86 A
c. 1.93 A
Mathematics
Find the vertices of the ellipse.36(x - 1)2 + 16(y + 3)2 = 576
A. (2, 3), (2, -9)
B. (-1, 3), (-1, -9)
C. (1, -3 - 2
), (1, -3 + 2
)
D. (1, 3), (1, -9)
Mathematics
Rationalize the denominator. Assume that all radicands represent positive real numbers.
A. 
B. 1
C. 
D. 
Mathematics