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Plot the lines found in Exercise $1$.

Algebra

Chapter 1

Functions and their Applications

Section 1

The Line

Functions

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In mathematics, a function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output. An example is the function that relates each real number x to its square x^2. The output of a function f corresponding to an input x is denoted by f(x).

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Plot the lines found in Ex…

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Find the equations of the …

for this problem. We're being asked to graph the equation that we came up with an exercise number one. So if you go back and look at that, we come up with the equation. Why equals two X plus four? If you're unsure where we came up with that number or that equation, please go back and look at example. Number one. Make sure you understand it. Then you can come back here and see how we're going to actually graph this. Okay, What we've been given is an equation in slope intercept form. That means my coefficient for my ex term is my slope. And the constant is the Y intercept. So when we go to grab something like this, we need a starting point. That starting point will be the y intercept. That point I know for sure is on my line. So I'm going to go and I'm gonna Mark and I'm gonna let each line on this grid be one so, like 123 and so on. So my why intercept will be here at the 1230.4 right now. From that point, I'm going to do the slope now. Recall Slope is rise overrun or difference in your wise. That's your rise up and down over the difference in your exes. That's your run. So in this case, my slope is too, or I could write it is to over one. It's often helpful to see this as a fraction. So my slope is to over one. A positive slope means I'm going in this general direction. I will be rising as I go across from left to right. And let's start at our 0.4 I'm going to rise to and come over one and that'll give me a point. I'm gonna rise to over one rise to over one. I like to plot two or three or four points. Sometimes seeing a few points on that line just helps us. You go toe, draw it in, okay, and I could go either direction when I'm making my points. And now it's just a matter of drawing the line that connects those points. So there is the graph of our equation. Y equals two x plus four

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