What is a linear function

2 answers:

8 0

Linear function is a function that can be written in the form of $y=mx+b$ , where m and b are real numbers; consists of a set of ordered pairs all lying on at the same line.

Hope this helps you!

Have a nice day! :)

earnstyle [38]3 years ago

6 0

Answer:

A linear function is a straight line on a graph.

It uses the form y=mx+b

Step-by-step explanation:

A linear function is any function that graphs to a straight line. What this means mathematically is that the function has either one or two variables with no exponents or powers

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What will it cost to buy a rectangular window with a length of 10ft and a width of 13ft? The cost per square foot for this type

Bad White [126]

Answer:i need points

Step-by-step explanation:

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2 years ago

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dezoksy [38]

For this problem, we will take the given information and use it to create an expression representing the problem. We want the expression to equal the amount Dylan has.

Let's start by defining a variable.
d=dollars Leo has

We know that Dylan has 3 more dollars than twice the amount Leo has. We can take this information and create our expression.

2d+3 is our expression.

We multiply our variable by 2 and then add 3 since Dylan has twice the amount Leo has plus an addition of 3 more dollars.

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3 years ago

6. Calculate the area of the octagon in the figure below.

Kryger [21]

Answer:

$41\text{ [units squared]}$

Step-by-step explanation:

The octagon is irregular, meaning not all sides have equal length. However, we can break it up into other shapes to find the area.

The octagon shown in the figure is a composite figure as it's composed of other shapes. In the octagon, let's break it up into:

4 triangles (corners)
3 rectangles (one in the middle, two on top after you remove triangles)

Formulas:

Area of rectangle with length $l$ and width $w$ : $A=lw$
Area of triangle with base $b$ and height $h$ : $A=\frac{1}{2}bh$

Area of triangles:

All four triangles we broke the octagon into are congruent. Each has a base of 2 and a height of 2.

Thus, the total area of one is $A=\frac{1}{2}\cdot 2\cdot 2=2\text{ square units}$

The area of all four is then $2\cdot 4=8$ units squared.

Area of rectangles:

The two smaller rectangles are also congruent. Each has a length of 3 and a width of 2. Therefore, each of them have an area of $3\cdot 2=6$ units squared, and the both of them have a total area of $6\cdot 2=12$ units squared.