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The labour cost of calling out a workman = fixed [call out] cost plus an hourly rate.

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Q: What is an example of a real world situation used in a linear function?
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What do the slope and intercept of a real world linear function represent?

y=mx+c where y is the output and m is the slope


Examples of real life linear equations?

Real Life Application Linear Function Introduction to Linear function: Linear function is a polynomial function that has only one variable with first degree . We can also say that the linear function y has the variable x as its input .The linear function can be graphed as a straight line in the Cartesian plane. In the linear function x is called as domain and y is called as range. A linear function is a mathematical function in which the variables appear only in the first degree, are multiplied by constants, and are combined only by addition and subtraction. A linear function with single variable is represented by f(x)=ax+b where a and b are real numbers. When a linear function is written in the form Ax + By = C, it is said to be in standard form.The graph of a linear function is a straight line. Linear functions are used to model situations that show a constant rate of change between 2 variables. For example, the relation between feet and inches is always 12 inches/foot. So a linear function would be y = 12 x where y is the number of inches and x is the number of feet. y = 24 x models the number of hours in any given number of days {x}. Linear equations model the relationship between two variables and the effect that a change on one variable has on the other. In other words, the function changes in constant ratio to the change in the independent variable. This ratio can be used to interpolate or extrapolate to draw necessary conclusions. Real Life Application Linear Function: Lot of real application of linear functions is always around us. We can found many examples of linear functions in our every day life. The following are the some example of real life linear function applications. Temperature conversion (C=(F - 32)/1.8) Money exchange rate. Feet and inches conversion ( f = 12i) If a mobile network company charge a startup amount of $30 and then $.03 for each minute then the function is y = .03 x + 30 etc. Let us see some real world problems on linear function. Example Problems on Linear Functions: Q:1 Convert the temperature 50C into Fahrenheit by using the linear function Sol: Given temperature = 50C We need to convert the temperature from celsius into fahrenheit We know that , C=(F - 32)/1.8 To find the fahrenheit , solve for F. C=( F - 32 )/1.8 Multiply by 1.8 on both sides, 1.8C = F - 32 Add 32 on both sides, 1.8C + 32 = F F = 1.8C + 32 Substitute C = 50 in the above equation, F = 1.8(50) + 32 F = 90 + 32 F = 122 Answer: 50C = 122F Q:2 If a mobile network company charge a startup amount of $30 and then $.03 for each minute then find the amount for 10 minutes Sol: Given, Charge at startup = $30 and then $ 0.03 for each minute. We need to find the amount for 10 minute. Before that we need to form the linear function. y = 0.03 x + 30 Here y is amount and x is number of minutes. Substitute x = 10 . y = 0.03(10) + 30 = 0.3 + 30 = 30.3 The total amount for 10 minutes is $30.3 Answer: The total amount for 10 minutes is $30.3


What is a real world example of a radical function?

The diagonal of a unit square, for example, is radical(2).


What are some of the world events that affect the political and economical situation of the United Kingdom?

The Great Recession is an example of the world events that affects the political and economical situation in the United Kingdom.


A real world example of a function?

the number of students depnds upon the classroom


What is a method in JavaScript?

Hi there, a method is a "function" in a object. Example: function answers(){ this.world = function(){alert("hello world")}; } var hello = new answers(); hello.world(); <--- world is a method of the object hello.


What is an example of a real life cubic function?

A real world example of a cubic function might be the change in volume of a cube or sphere, depending on the change in the dimensions of a side or radius, respectively.


What is a real world situation in math?

Here is an example: when you buy several items in a store, the prices have to be added together.


What is the collective noun for a group of rules?

There is no standard collective noun for a group of rules. A collective noun is an informal part of language, any noun that suits the context of the situation can function as a collective noun; for example, a book of rules, a list of rules, a world of rules, etc.


What are the functions of 'C'?

Pieces of program-code, they are identified by their names. Example for function-declaration: int main (void); Example for function-definition: int main (void) { puts ("Hello, world!"); return 0; }


Describe a bad situation?

There are millions of ways you could describe a situation. You could describe a situation based on facts or on feelings for example.


How can use a function in c without declaration?

The syntax for a function declaration in C is:return-type function-name(list-of-parameter-types);The following example declares a function that takes an int type parameter and returns an int.Example:int myFunction(int);