Find y '.y = 
A. - 
- 1
B. 
+ 1
C. - 
- 1
D. 
+ 1
Answer: D
Mathematics
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Find the exact function value.cot-1(-1)
A. 
B. - 
C. 
D. - 
Mathematics
Find the derivative of the function.y = 
A. y' = 
B. y' = 
C. y' = 
D. y' = 
Mathematics
Add or subtract.(3x4 + 5x3 + 7x2 + 1) + (8x4 - 3x3 - 3x2 - 6)
A. 11x8 + 2x6 + 4x4 - 5 B. 11x4 + 2x3 + 4x2 - 5 C. -2x4 - 2x3 - 3x2 + 13 D. 17x18 - 5
Mathematics
Solve. Graph the solution on a number line, and express it in interval notation.20x + 32 ? 4(4x + 9)
A. x < 1, (-?, 1)
B. x ? 1, [1, ?)
C. x > 1, (1, ?)
D. x ? 1, (-?, 1]
Mathematics