TYPES OF FUNCTIONS
1. Constant function
2. Identity function
3. Square function
4. Cube function
5. Linear function
6. Square root function
7. Reciprocal function
8. Absolute value function
9. Greatest integer function(step function)
1. CONSTANT FUNCTION
This is a special form of linear function.A function is said to be constant when its slope,m=0.The domain of a constant function is a set of all real numbers and its range is a single number y-intercept(b).The constant function is an even function whose graph is constant over the domain.The graph makes a horizontal line with its range (y-intercept (b)).The expression for the constant function is

F(x)=b, where b is a real number.
2. IDENTITY FUNCTION
This is also a special form of linear function but both the domain and range are sets of real numbers.Identity function has a graph where slope,m=1 and y-intercept is 0.The line consists of all points for which x-co-ordinate equals the y-co-ordinate.The identity function increases over its domain and the expression for identity function is

F(x)=x
3. SQUARE FUNCTION
The domain of a square function is a set of real numbers and the range ia set of all positive numbers.The graph is a parabola which intersects at(0,0).The square function is an even function that is decreasing on the interval (-∞,0) and increasing on the interval (0,∞).The expression is

F(x)=x^2
4.CUBE FUNCTION
The domain and range of a cube function is a set of real numbers.The intercept of a cube function graph is at(0,0).The function is odd an increases on the interval(-∞,∞),it is given as
F(x)=x^3
5.SQUARE ROOT FUNCTION
The domain and range of the square root function are the set of positive(non-negative) real numbers.The intercept of the graph is at (0,0).The square-root function is neither even nor odd and is increasing on the interval (0,∞).It is given as

F(x)=√x
6.LINEAR FUNCTION
The domain f consists of all real numbers.The graph of a linear function...

...Submitted to:
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Professor
* Constant Function:
Let 'A' and 'B' be any two non–empty sets, then a function '' from 'A' to 'B' is called Constant Function if and only if range of '' is a singleton.
* Algebraic Function:
The function defined by algebraic expression are called algebraic function.
e.g.
*...

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all inputs are variable
3.1 The Production Function
Production function is a tool of analysis used in explaining the input-output relationship.
It describes the technical relationship between inputs and output in physical terms. In its
general form, it holds that production of a given commodity depends on certain specific
inputs. In its specific form, it presents the quantitative relationships between inputs and
outputs. A production function...

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Despite the potential of news media to perform valuable health-education functions, Moynihan et al. conclude that media stories about medications continue to be incomplete in their coverage of benefits, risks, and costs of drugs, as well as in reporting financial ties between clinical trial investigators and...

...Functions and types of channels of distribution
* Functions; reconcile the needs of producers and consumers, improving efficiency, improving accessibility and providing specialist services
* Consumer Channels; producer direct to consumer, producer to retailer to consumer, producer to wholesaler to retailer to consumer, producer to agent to distributor to wholesaler to retailer to consumer
* Industrial Channels; producer to industrial...

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A large percentage of meanings, approximately 65% of all communications, we derive from interactions is derived from the nonverbal cues that the other person gives. , Nonverbal communication is defined as messages expressed through symbols instead of words. It is non-linguistic. Nonverbal communications include gestures, eye contact, voice, touch, smell, facial expressions, proxemics, time and artifactics....

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Psychologists study mental processes and human behavior by observing, interpreting, and recording how people and other animals relate to one another and the environment. To do this, psychologists often look for patterns that will help them understand and predict behavior using scientific methods, principles, or procedures to test their ideas. Through such research...

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