Eliminate the parameter t. Find a rectangular equation for the plane curve defined by the parametric equations.x = et, y = e-t; -? < t < ?
A. y = ex; -? < x < ?
B. y = e-ln x; 0 < x < ?
C. y = eln x; 0 < x < ?
D. y = e-x; -? < x < ?
Answer: B
Mathematics
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Multiply using Napier's rods.3 × 4565
A. 27,390 B. 13,692 C. 13,695 D. 13,698
Mathematics
Match the function with its graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Divide f(x) by d(x), and write a summary statement in the form indicated.f(x) = x3 - 4; d(x) = x + 5 (Write answer in fraction form)
A. 
= (x2 + 5x + 25) + 
B. 
= (x2 - 5x + 25) + 
C. 
= (x2 + 5x + 25) + 
D. 
= (x2 - 5x + 25) + 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics