Qualification > Math

Additional Math Help HERE ONLY...!

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holtadit:

--- Quote from: J.Darren on May 30, 2010, 10:02:44 am ---I am experiencing some major difficulty in finding the inverse of a fuction, domain and range, would anyone be kind enough to help out ?

--- End quote ---

I can help with inverse of function - thats within my syllabus.

J.Darren:

--- Quote from: Ari Ben Canaan on May 30, 2010, 10:05:49 am ---I can help with inverse of function - thats within my syllabus.

--- End quote ---
Hmm ... what about exponential functions ?

holtadit:

--- Quote from: J.Darren on May 30, 2010, 10:18:46 am ---Hmm ... what about exponential functions ?

--- End quote ---

Let me see an example.

J.Darren:

--- Quote from: Ari Ben Canaan on May 30, 2010, 10:19:23 am ---Let me see an example.

--- End quote ---
A function f is defined by f (x) = e^(x–1), where x > 0.
(i) State the range of f.
(ii) Find an expression for f –1.
(iii) State the domain of f –1.

holtadit:
Sorry Darren, but this is way out of my depth.

I do normal mathematics. Wish I could help you out.

Just hang in there; someone will be along to help you out ;)

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