Solve the equation.
- 
= 1
A. x = 3
B. x = -3, -1
C. x = 3, -1
D. No solution
Answer: C
Mathematics
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Find a rectangular equation equivalent to the given pair of parametric equations.x = 2 sin t, y = 3 csc t; 0 < t < ?
A. y = 
; 0 < x ? 2
B. y = 4x; 0 < x ? 2
C. y = 6x; 0 < x ? 2
D. y = 
; 0 < x < 2
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.
-1/2
A. 
B. 
C. 
D. Not a real number
Mathematics
The graph of a function is given. Decide whether it is even, odd, or neither.
A. even B. odd C. neither
Mathematics
Solve for the indicated variable.D - D0 = (D1 -D0)10-kt, for t
A. t = - 
log 
B. t = - 
log (D - D1)
C. t = - 
D. t = - 
log 
Mathematics