what is the domain of a graph?

Question

saifoo.khan · Answer

The domain is all the x values of the graph.

anonymous · Answer

To find the domain without a graph given, you must solve for where a function CAN'T exist. So, if for instance you have a function where you have x^3 over x^2+8x-20, .

In the example, factoring the denominator gives you (x+10)(x-2), solve for 0, so you getBuild you domain:

anonymous · Answer

What is a function? I only have a very vague idea

saifoo.khan · Answer

A function in math is the process of showing a relationship between the input and output of a problem. The number you put in is directly related to the number you get out.

saifoo.khan · Answer

or you can say as:

function, in mathematics, is usually written as an equation. It is designed to show relationships between a set of numbers and a different set of numbers.