Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan
A. y = tan u; u = ? - 
; 
= sec2
B. y = tan u; u = ? - 
; 
= 
sec2
C. y = tan u; u = ? - 
; 
= 
sec
tan
D. y = tan u; u = ? - 
; 
= sec2
Answer: B
Mathematics
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A. 0.57 B. 0.52 C. 0.51 D. 0.5
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Simplify.
A. 4 - a2
B. 
C. 
D. 
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Solve.Jenna read 
of her book on Monday, 
of her book on Tuesday, and 
of her book on Wednesday. What part of her book has she read?
A. 
B. 
C. 
D. 
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Write a linear inequality that describes the shaded region.y = -3
A. y ? -3 B. x ? -3 C. x ? -3 D. y ? -3
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