Write the number as a product of a real number and i. Simplify the radical expression.
A. -2i
B. -i
C. 2i
D. ± 2
Answer: C
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Solve the equation.
(x + 27) - 
(x - 3) = x + 5
A. 
B. 
C. 
D. 
Find the absolute maximum and absolute minimum values of the function, if they exist, on the indicated interval.f(x) = x3 - 3x + 5; [-1, 5]
A. Absolute maximum: 3, absolute minimum: 1 B. Absolute maximum: 115, absolute minimum: 3 C. Absolute minimum: 1 D. Absolute maximum: 115
?Let 
and 
be bases for
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be the matrix for 
relative to B. The transition matrix P from B' to B is 
. Use the matrices A and P to find 
and 
where 
.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Solve.
- 
= 
A. 6
B. 
C. - 
D. 