Express in terms of i.
A. -5i
B. 5i
C. -i
D. ±5
Answer: B
Mathematics
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Simplify. Assume all variables represent nonnegative values.
A. 
B. 1
C. 14
D. 
Mathematics
Solve the equation and state the solution set.
- 
= 
A. {4} B. { } or ? C. {-4} D. {12}
Mathematics
Given f(x) and g(x), perform the indicated operation.f(x) = 
; g(x) = 
Find 
(x).
A. 
, x ? -11
B. 
, x ? 6
C. 
, x ? 11
D. 
, x ? 11
Mathematics
Write an equation to describe the situation.You plan to purchase a 
bike 9 months from now. How much money must you save per month, m, in order to buy it?
A. 908m = 9
B. 9m = 908
C. 
= 908
D. 9 + m = 908
Mathematics