Write the expression in the standard form a + bi.
A. 
- 
i
B. 
+ 
i
C. 
+ 
i
D. 
- 
i
Answer: D
Mathematics
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Find the second derivative of the function.y = 
A. 
= 2 - 
B. 
= 2 + 
C. 
= 2x - 
D. 
= 1 + 
Mathematics
Find the probability of the following five-card poker hands from a 52-card deck. In poker, aces are either high or low.Four of a kind (4 cards of the same value)
A. 
B. 
C. 
D. 
Mathematics
Convert as indicated. When necessary, round to the nearest tenth of a degree.The temperature recorded on a thermometer was 7° C. Find the corresponding temperature in degrees Fahrenheit.
A. 35.9° F B. -28.1° F C. 44.6° F D. -19.4° F
Mathematics
Using the given zero, find all other zeros of f(x).i is a zero of f(x) = x4 - 4x3 + 2x2 - 4x + 1
A. -i, 2 + 2
, 2 - 2
B. -i, 1 + 
, 1 - 
C. -i, 2 + 
, 2 - 
D. -i, -2 + 
, -2 - 
Mathematics