Parent Graphs
Square(Quadratic) Function
2 f(x) =x x2 f(x) Domain: all real number Range: all nonnegative real number Has intercept of (0,0) Decreases on interval (,0) Increases on interval (0,) Symmetric with respect of the y-axis Relative Minimum: (0,0)
Cubic Function
f(x)=x3 f(x) x3 Domain: all real numbers Range: all real numbers Has intercept at (0,0) Increases on the interval , Symmetric with respect to the origin
Quartic Function
f(x)=x4 f(x) x4 Domain: all real number Range: all nonnegative real number Has intercept of (0,0) Decreases on interval Increases on interval Symmetric with respect of the y-axis Relative Minimum: (0,0)
Square Root Function
f(x)= f(x) x Domain: all nonnegative real numbers Range: all nonnegative real numbers Has intercept at (0,0) Increases on the interval 0,
Cube Root Function
f(x) 3 x f(x)=3rootx Domain: all real numbers Range: all real numbers Has intercept at (0,0) Increases on the interval ,
Absolute Value Function
Ff(x) x Domain: all real number Range: all nonnegative real number Has intercept of (0,0) Decreases on interval (,0) Increases on interval (0,) Symmetric with respect of the y-axis Relative Minimum: (0,0)
Reciprocal Function
1 f(x) f(x)=1/x x Domain: ,0 (0, ) Range: ,0 (0, ) Has no intercepts Decreases on the intervals ,0 and
0,
Symmetric with respect to the origin
Step Function
jet f(x) x Domain: all real numbers Range: all integers Has y-intercept (0,0) Has x-intercept [0,1) Is constant between each pair of consecutive integers Jumps vertically one unit at each integer value