Print this page Addition and subtraction within 5, 10, 20,or Addition or subtraction of two whole numbers with whole number answers, and with sum or minuend in the range,orrespectively. Two numbers whose sum is 0 are additive inverses of one another. Associative property of addition.

Due to the nature of the mathematics on this site it is best views in landscape mode. If your device is not in landscape mode many of the equations will run off the side of your device should be able to scroll to see them and some of the menu items will be cut off due to the narrow screen width.

Minimum and Maximum Values Many of our applications in this chapter will revolve around minimum and maximum values of a function. While we can all visualize the minimum and maximum values of a function we want to be a little more specific in our work here.

In particular, we want to differentiate between two types of minimum or maximum values. Also, we will collectively call the minimum and maximum points of a function the extrema of the function. So, relative extrema will refer to the relative minimums and maximums while absolute extrema refer to the absolute minimums and maximums.

A relative maximum or minimum is slightly different. This means that relative extrema do not occur at the end points of a domain. They can only occur interior to the domain.

There is actually some debate on the preceding point. Some folks do feel that relative extrema can occur on the end points of a domain. This will be discussed in a little more detail at the end of the section once we have a relevant fact taken care of.

Both of these points are relative maximums since they are interior to the domain shown and are the largest point on the graph in some interval around the point.

These two points are the largest and smallest that the function will ever be. We can also notice that the absolute extrema for a function will occur at either the endpoints of the domain or at relative extrema. Example 1 Identify the absolute extrema and relative extrema for the following function.

Here is the graph, Note that we used dots at the end of the graph to remind us that the graph ends at these points. We can now identify the extrema from the graph. As we saw in the previous example functions do not have to have relative extrema. Example 2 Identify the absolute extrema and relative extrema for the following function.

We also still have an absolute maximum of four. As this example has shown there can only be a single absolute maximum or absolute minimum value, but they can occur at more than one place in the domain.

Example 3 Identify the absolute extrema and relative extrema for the following function. For this function that means all the real numbers. Here is the graph. So, some graphs can have minimums but not maximums. Likewise, a graph could have maximums but not minimums. Example 4 Identify the absolute extrema and relative extrema for the following function.

This function has no relative extrema. Example 5 Identify the absolute extrema and relative extrema for the following function. In this case the function has no relative extrema and no absolute extrema.

Example 6 Identify the absolute extrema and relative extrema for the following function. Cosine has extrema relative and absolute that occur at many points.

Next notice that every time we restricted the domain to a closed interval i. Finally, in only one of the three examples in which we did not restrict the domain did we get both an absolute maximum and an absolute minimum.

These observations lead us the following theorem. Sometimes, all that we need to know is that they do exist. The requirement that a function be continuous is also required in order for us to use the theorem.

So, the function does not have an absolute maximum. Note that it does have an absolute minimum however. We may only run into problems if the interval contains the point of discontinuity.

Below is the graph of a function that is not continuous at a point in the given interval and yet has both absolute extrema. The absolute minimum could just have easily been at the other end point or at some other point interior to the region.View Homework Help - MATH 9 Dividing Rational Numbers Worksheet Solutions from MATH 9 at Gladstone Secondary.

Lesson Dividing Rational Numbers 1. Determine each quotient.

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a) i) 2 ii) (). You appear to be on a device with a "narrow" screen width (i.e. you are probably on a mobile phone).Due to the nature of the mathematics on this site it is best views in landscape mode.

Determine efficient ways to add rational numbers with and without the number line. Operations with Rational Numbers / Lesson 5. Operations with Rational Numbers.

Lesson 5. Sign In or Register to download Lesson 5. Multiplying and Dividing Rational Numbers. vetconnexx.com vetconnexx.com Determine the rules for multiplying signed numbers.

Section Multiplying and Dividing Rational Numbers 65 Which number, when multiplied by − 5 — 3, gives a product between 5 and 6? A −6 B −3 1 — 4 C − 1 — . Create your own math worksheets.

Linear Algebra: Introduction to matrices; Matrix multiplication (part 1) Matrix multiplication (part 2). Math is all about numbers (like 89 and ) and operations (like addition and multiplication). In these tutorials, we learn about a some new types of numbers and some new types of operations.

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