Solve the equation.
= 
A. 
B. 
C. 
D. ?
Answer: B
Mathematics
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Find the curvature of the space curve.r(t) = ti + (sinh t)j + (cosh t)k
A. ? = 
B. ? = 
C. ? = cosh2 t
D. ? = sinh2 t
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = (x - 6)2, x ? 6; g(x) = 
A. Yes B. No
Mathematics
Solve the initial value problem.
= 
, y(-3) = 8
A. y = ln(x + 4) + 8 - ln 2
B. y = - 
+ 9
C. y = - 
+ 8
D. y = ln(x + 4) + 8
Mathematics
Translate from English to an algebraic expression or equation, whichever is appropriate. Let the variable x represent the number.The product of 
and a number, decreased by 9, is 4 more than the number.
A. 
x - 9 = x + 4
B. 
x + 9 = x + 4
C. 
x - 9 + x = 4
D. 
x - 9 = x - 4
Mathematics