Solve the equation.21 = -16 + x
A. x = 5
B. x = -5
C. x = -37
D. x = 37
Answer: D
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Find the Taylor polynomial of order 3 generated by f at a.f(x) = 
, a = 1
A. P3(x) = 
- 
+ 
- 
B. P3(x) = 
- 
+ 
- 
C. P3(x) = 
- 
+ 
- 
D. P3(x) = 
- 
+ 
- 
Write fraction as decimal number. Use bar notation for repeating decimals.
A. 3.43
B. 3.4375
C. 3.437
D. 3.4
Express the indicated roots of unity in standard form a + bi.Cube roots of unity
A. cos 
+ i sin 
= 0.5 + 
i
cos 
+ i sin 
= -0.5 + 
i
cos 
+ i sin 
= -0.5 - 
i
B. 1 + 0i
cos 
+ i sin 
= -0.5 + 
i
cos 
+ i sin 
= -0.5 - 
i
C. 1 + i
cos 
+ i sin 
= -0.5 + 
i
cos 
+ i sin 
= -0.5 - 
i
D. 1 + 0i
cos 
+ i sin 
= 0.5 + 
i
cos 
+ i sin 
= -0.5 + 
i
Write the equation in its equivalent exponential form.log6216 = x
A. 6x = 216 B. x6 = 216 C. 2166 = x D. 216x = 6