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 = eln x; 0 < x < ?
B. y = e-x; -? < x < ?
C. y = ex; -? < x < ?
D. y = e-ln x; 0 < x < ?
Answer: D
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Use integration by parts to establish a reduction formula for the integral.
, n ? 1
A. 
= 
tann-1 x + 
B. 
= tann-1 x - 
C. 
= 
tann-1 x - 
D. 
= 
tann-2 x - 
Solve the indicated systems of equations graphically.A 9.02-m insulating strip is placed completely around a rectangle solar panel with an area of 1.17m2. What are the dimensions of the panel?
A. 0.276 m, 5.981 m B. 0.276 m, 4.234 m C. 3.339 m, 5.981 m D. 3.339 m, 4.234 m
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (2-2)0
A. 1
B. 
C. 0
D. -4
Solve the problem.Note that 
From this, we might conjecture that 12 + 12 + 22 + ... + 
= FN × y where y =
A. FN-1. B. 13. C. FN. D. FN+1. E. none of these