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RE: How to use inversefunction

  • To: mathgroup at smc.vnet.net
  • Subject: [mg36210] RE: [mg36189] How to use inversefunction
  • From: "DrBob" <drbob at bigfoot.com>
  • Date: Tue, 27 Aug 2002 02:07:17 -0400 (EDT)
  • Reply-to: <drbob at bigfoot.com>
  • Sender: owner-wri-mathgroup at wolfram.com

f[x_] = x^2 - 7*x + 10
g[x_] = Cos[3*x + 1/2*Pi]
h[x_] = (x - 3)/(x + 2)
Off[Solve::"ifun"]
Solve[f[x] == y, x]
Solve[g[x] == y, x]
Solve[h[x] == y, x]

Bobby Treat

-----Original Message-----
From: David [mailto:davidol at hushmail.com] 
To: mathgroup at smc.vnet.net
Subject: [mg36210] [mg36189] How to use inversefunction

How can I get mathematica to display the inverse of functions like:

f(x) = x^2 - 7*x + 10

or

f(x) = cos(3*x + 1/2*pi)

or

f(x) = (x - 3) / (x + 2)

I'm having trouble getting the syntax right.







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