Posted by **kd** on Tuesday, November 8, 2011 at 7:11am.

Katydid population is modeled by

N(t) = 50 / 1+9e^ -.33t

where t is number ofyears and N(t) is population is thousands at time t.

when will katydid population reach 40,000?

- algebra -
**Henry**, Wednesday, November 9, 2011 at 6:23pm
post it.

- algebra -
**Henry**, Wednesday, November 9, 2011 at 6:27pm
See your12:15am post.

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