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Is this funtion linear? if so, rewrite in y=b+mx. g(w)= 1-12w/3

Solution:

  • g(w)=1-12w/3
  • g(w)=1 + (-4)w
  • In the above example, y=g(w), b=1 and m=-4. If we replace each of the terms we can rewrite the above as y=b+mx
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What is the difference b/w relation and function. It would be great if you could give some real life example.

Solution:

A relation is a set of ordered pairs, such as { (0,1) , (55,22), (3,-50) } (http://www.mathwarehouse.com/algebra/relation/math-function.php).  A function is a special kind of relation in which each x value has only one y value.

For example:

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Has to do with triangle, saw of cosine and sin, etc. I have to draw a polygon with 6-10 sides, and provide enough info for someone to be required to find 3 or more missing angles and 3 or more missing sides. Solve and find the area of the polygon.

Solution:

We’ll try the case of a six-sided polygon and will show that if we provide 3 angles, 3 sides and 5 spokes, we can expect someone to figure out the size of the three unknown angles and the lengths of the three unknown sides.

Here’s an example of a six-sided polygon, an irregular hexagon:

As you can see, this is an irregular shape – it’s not a regular hexagon where the sides and angles are of the same size.

Let’s now draw a central point and spokes, where you know the length of each spoke and all but one of the angles between the spokes:

You can calculate the unknown angle (we can call it “F”) because we know that all the angles need to add up to 360° (F = 360 – A – B – C – D – E). Since we know the length of two sides and one angle of each triangle that is formed (i.e. side-angle-side, … read more


Is this funtion linear? if so, rewrite in y=b+mx. g(w)=-12w/3

  • g(w)=1-12w/3
  • g(w)=1+(-4)w
  • In the above example, y=g(w), b=1 and m=-4. If we replace each of the terms we can rewrite the above as y=b+mx
read more


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Work out the grap y =x^-3

Solution:

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