Graph of functions
1.identity function I: I(x)=x domain={all real numbers}
Range={all real numbers}
2.sequare function P: P(x)=x2domain={all real numbers}
Range=[0,?)
3.cube function Q: Q(x)=x3 domain={all real numbers}
Range={all real numbers}
4.absolute value function F:F(x)=/x/ domain={all real numbers}
Range=[0,?)
5.square root function G: G(x)=
12x" style="WIDTH: 17.25pt; HEIGHT: 20.25pt" type="#_x0000_t75"> Domain=[0,?)
Range=[0,?)
6.cube root function H:H(x)=
123x" style="WIDTH: 18pt; HEIGHT: 20.25pt" type="#_x0000_t75"> domain={all real numbers}
Range={all real numbers}
Test of even and odd function:
*If f(-x)=f(x),then f is an even function (symmetric with respect to vertical axis).
*If f(-x)=-f(x), then f is an odd function(symmetric with the origin).
The square and absolute value function are even functio