Write the expression in the standard form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
- 
i
D. 
+ 
i
Answer: D
Mathematics
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A. 3x ln 3 B. 3x ln x C. x ln 3 D. 3x
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Graph the polar equation.r = 1 + sin ?
A. 
B. 
C. 
D. 
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Find the missing coordinate to complete the ordered pair.3x + y = 1
( , -5)
A. (2, -5) B. (-5, 0) C. (-5, 2) D. (0, -5)
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For the function f, construct and simplify the difference quotient 
.f(x) = 9x + 5
A. 0
B. 9 + 
C. 9 + 
D. 9
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