Posted by **kim** on Friday, December 18, 2009 at 11:09am.

The Identity Function

The Squaring Function

The Cubing Function

The Reciprocal Function

The Square Root Function

The Exponential Functional Lo

The Natural Logarithum Function

The Sine Function

The Cosine Function

The Absolute Value Function

The Greatest Integer Function

The Logistic Function

Only three of the twelve basic functions are bounded (abover and below). Which three?

Three of the twelve basic function are even. Which are they?

- pre calc -
**MathMate**, Friday, December 18, 2009 at 3:23pm
What you need to find out is what each function does, and consequently the range of each of the functions when x varies in the range (-∞infin;).

For your information, the identity function is f(x) = x, thus when x=∞ f(x)=∞ also.

You already know about the sine(x) and cosine(x) functions from trigonometry.

The description of the logistic function can be found here:

http://en.wikipedia.org/wiki/Logistic_function

The reciprocal function has a vertical asymptote at x=0.

If you have problems locating the three functions, post your thinking.

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