Define a surjective function.

Define an injective function.

Define a bijective function.

Define bijective function.

In linear propagmming problem , define linear objective function.

Define an identity function . Draw the graph of identify function and write Domain and Ranges ?

Define a signum function. Write range, also draw the graph of the function.

Define a modulus function.If the function f:R rarr R is defined by f(x) =|x| ,draw the graph of the function .Write the domain and range of f.(R is the set of real numbers).

Define rational function.If function from f:R-{0} rarr R is defined as f(x)=1/x ,then draw the graph of function.Also domain and range.

Define a modulus function . Draw its graph. Also write down its domain and range.

Define the term ''objective function'' in an L.P.P.