Find all solutions of the equation. Leave answers in trigonometric form.x2 - i = 0
A. cis 315°, cis 135°
B. cis 270°, cis 90°
C. cis 180°, cis 0°
D. cis 45°, cis 225°
Answer: D
Mathematics
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Express the number in decimal notation.7 × 10-7
A. 0.0000007 B. -700,000 C. 0.00000007 D. 0.000007
Mathematics
Find the exact circular function value.csc 2?
A. -1 B. 1 C. 0 D. undefined
Mathematics
Find the inverse of the one-to-one function.f(x) = (x + 6)3
A. f-1(x) = 
- 6
B. f-1(x) = 
- 216
C. f-1(x) = 
- 6
D. f-1(x) = 
+ 6
Mathematics
Solve the system of equations.
A. (0, -5, 2) B. (2, -5, 0) C. (2, 0, -5) D. No solution
Mathematics