I'm not sure how to do this...

Determine the domain and the range of each function.

a) Y = X3+3X2-9X-10

was wondering... if it was possible to do it just looking at it or if I had to make a table of numbers

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- Mar 18th 2006, 08:21 AMimpreza02Polynomial and Rational Functions
I'm not sure how to do this...

Determine the domain and the range of each function.

a) Y = X3+3X2-9X-10

was wondering... if it was possible to do it just looking at it or if I had to make a table of numbers - Mar 18th 2006, 09:03 AMCaptainBlackQuote:

Originally Posted by**impreza02**

know enough, the domain and range of this function can be found by

inspection (just looking). Though you will still need to explain how you

know that the range and domain are correct.

In plain ASCII we would normally write this as:

y=x^3+3x^2-9x-10,

or we can used TeX:

RonL