# Homework Help: Algebra II help

1. Sep 12, 2004

### XSurferXe

im perplexed by this question...we were never teached domain and range... so please help in an easy way with this question : "Suppose the function f(x) = 4x + 3 is defined for x > -2. "

A. Find f(-1) .... i got -1

2. Sep 12, 2004

### Leong

Domain is the the set value x for f(x) to be defined.in this case, it is given as $$x \geq\ -2$$.
Range is the set of value of f(x) for the domain. f(-2)=-5. so, the range is $$f(x)\geq \ -5$$

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