Showing posts with label Properties of Acids. Show all posts
Showing posts with label Properties of Acids. Show all posts

Monday, 3 September 2012

What is graphing exponential functions

As we all are very well aware about the concept of exponent that describe a value to the power of any number through which any number can multiplied by itself. In the same aspect exponential function can also be describe as a function which can be represented as the power of x of exponential function. This can be represented as ax. In the section, the discussion held on the topic of graphing exponential functions. To understand the methodology of plotting a exponential function on to a graph we first need to understand why we use exponential function. The basic reason behind using a exponential function is that it is capable of modeling or representing the rate of change between the independent and dependent variable.
The exponential function is a kind of function which can be represented in the form of f (x) = ax. In this exponential function ‘a’ is a variable which include any positive value but greater than 1. The concept of graphing an exponential function can be categorized into two categories on the basis of their shapes. When the value of variable ‘a’ of exponential function is positive but less than one then it generate a curve from top left side to right down side. On other hand when value of variable ‘a’ of exponential function is greater than one then it generate a curve of graph left down side to right top side. This function have their application in various field of real world like estimating population growth, compound interest, bacterial calculation and radioactive growth. Some time the concept of exponential function also be describe as xya where x is a positive value and y is also a positive value but not equal to 1.
In chemistry the concept of Properties of Acids can be describe as characteristics which is able to define the feature of acids. Indian certificate of secondary education having the syllabus of all subjects for any particular class, which is popularly known as icse syllabus 2013.

Monday, 13 August 2012

How To Find The Range Of A Function

Hi friends, in this blog we will see How To Find The Range Of A Function. Function is taken to show a association between set of inputs values and set of outputs values in such a way that every value of input is associated to exactly one value of output. Let we have a function f (r) = r / 6 (f of ‘r’ is ‘r’ divided by the value 6") is a function. So if we are going to put the value of ‘r’ as 6 then we get the value of function as 1, it can be written as: f (6) = 6 / 6 = 1,
Now we will understand how to calculate range of a function. In function, all the ‘y’ coordinate values are said to be range of a function. In the same way we can also find out the domain of a function, all the possible terms of ‘x’ coordinate are known to be domain of a function. Let we have given some values (12, -18), (-71, 84), (53, -42), (-25, 17), then range of function is all the ‘y’ coordinate terms.
Domain = 12, -71, 53, -25.
Range is all ‘y’ coordinate values,
Range = -18, 84, -42, 17.
Let's understand that how to calculate the range of a function. Some steps are taken to calculate the range of a given function which are shown below:
Step1: To calculate the range of a function first have to take a function which contains ‘x’ and ‘y’ coordinates.
Step2: As we discuss above the range of a function is all ‘y’ coordinates values.
Step3: In above function the terms of ‘x’ and ‘y’ coordinate are there then we can easily calculate the range and domain of a function.
In this way we can easily find out the range of a function.
Now we will see Properties of Acids.
Acids are sour in taste. It is also turn blue litmus paper to red. Free download cbse books to get more information about properties of acids.