Homework Help: Math

Posted by Holly on Wednesday, August 15, 2012 at 8:32pm.

When talking about a function f(x) is the f always the y point on a graph? I don't understand my book because it says f can be any letter. If f can be any letter and the question is f(6.9) and 6.9 is on the x and y axis then how do you know what to do?

Math - Count Iblis, Wednesday, August 15, 2012 at 10:53pm
On the y axis you put what you get when you apply the function to x. The letter f is just the name for the function, you can choose any letter of word for it; it doesn't have any meaning until you define it.

At x = 6.9, the y value is y = f(6.9).

Answer this Question

Related Questions

calculus - answer the questions about the following function f(x)= 10x^2/x^4+25 ...
social studies - i am talking about slaves and i dont understand what this sheet...
Math - Choose the three true statements about the graph of the quadratic ...
Calculus - 1. Given the function f defined by f(x) = x^3-x^2-4X+4 a. Find the ...
college algebra, Please help!! - Answer the following function. f(x)=2x^2-x-1 A...
college algebra, Please help!! - Answer the following function. f(x)=2x^2-x-1 A...
calculus - let f be the function f(x) = x^3 + 3x^2 - x + 2 a. the tangent to the...
Math - Find the point on the graph of the function that is closest to the given ...
math - Find the point on the graph of the function closest to the given point. ...
Quadratic Functions - Please explain to me how to do the following problems, I ...

For Further Reading

First Name:
School Subject:
Answer: