Find the domain of x in the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Answer: B
Mathematics
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Solve the differential equation.
= 
A. y = 
B. y = 21ln x + C
C. y = 
D. y = - 7ln x + C
Mathematics
Find the derivative of y with respect to x.y = sin-1 
A. 
B. 
C. - 
D. 
Mathematics
Solve the problem.A mechanism with two length-adjustable links is depicted below. The adjustable lengths are b and c, the length a is fixed, and the point A can only move horizontally. From the law of sines, 
Sketch the graph of b as a function of A for 
and B = ?/4.
A. 
B. 
C. 
D. 
Mathematics
Use the commutative and associative properties to simplify the expression.
A. t
B. 
t
C. 
t
D. 
t
Mathematics