Find the reference angle for the given angle.-570°
A. -60°
B. 60°
C. -30°
D. 30°
Answer: D
Mathematics
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Find the second derivative.y = 3x2 + 9x + 4x-3
A. 6 + 48x-5 B. 6 + 48x-1 C. 6x + 9 - 12x-4 D. 6 - 48x-5
Mathematics
Do not use a calculator. Find an exact value of s in the specified interval with the given circular function value.tan s = - 
, 
A. 
B. 
C. 
D. 
Mathematics
State the domain of the rational expression.
A. {x|x ? -1, x ? 1} B. {x|x ? 0, x ? -1} C. {x|x ? -1, x ? -4, x ? 1} D. All real numbers
Mathematics
Add or subtract as indicated.
- 
A. 
B. 
C. 
D. 
Mathematics