Write the complex number in the form a + bi.4(cos -135° + i sin -135°)
A. -2
- 2
i
B. - 
- 
i
C. - 
+ 
i
D. -2
+ 2
i
Answer: A
Mathematics
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Subtract.599
A. 275 B. 175 C. 923 D. 267
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Decide whether or not the functions are inverses of each other.f(x) = 2x + 4, g(x) = 
x - 2
A. Yes B. No
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Multiply.(4 + 4i)(4 + 8i)
A. -16 - 48i B. -16 + 48i C. 32i2 + 48i + 16 D. 48 - 16i
Mathematics
Simplify. Express the answer using positive exponents.
A. 
B. 
C. 
D. 
Mathematics