- #1
kasse
- 384
- 1
Homework Statement
Eliminate the parameter given
x=2e^t, y=2e^-t
The Attempt at a Solution
lnx = ln2 + t, so t = lnx - ln 2
This gives:
y=2e^(ln2-lnx)
y=2(e^ln2 * e^-lnx)
y= -4x
This does not, however, match the graph of the parametric function on my calculator. Have I made a mistake?