Find the derivative of the function.y = 
A. 
= sec x tan x
B. 
= sec2x
C. 
= sec2x + 1
D. 
= -csc x cot x
Answer: B
Mathematics
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Find the exact value of the expression.cos 
sin 
- cos 
sin 
A. 
B. 
C. 
D. 1
Mathematics
Evaluate the expression using the given values.(x + 4y)2 x = 3, y = 3
A. 225 B. 30 C. 15 D. 49
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. b
B. 
C. 
D. 6
Mathematics
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics