What is the range of #f(x) = 3x + 4#?
So, in interval notation:
The domain (or possible input(
The range (or possible output(
*Note the round brackets ( ) used.Since infinity isn't a number, the function isn't exactly "defined" there, it just keeps tending to infinity. If the function was defined on a certain interval, we would put [square brackets] around it
When you're trying to figure out a domain, you can think about if the function is continuous. Is there any place where the function is not defined, so you're not allowed to plug into a value (like a 0 in the denominator)? Are there any places where there are asymptotes?
In the case of linear functions like