Does the table represent a linear or nonlinear function?

Does the graph represent linear or nonlinear function?

Does the graph represent a linear or nonlinear function?

Does the graph represent a linear or nonlinear function?

Does the graph represent a linear or nonlinear function?

Doea the graph represent a linear or nonlinear function?

Th e graph shows the volume V (in cubic feet) of a cube with an edge length of x feet. Does the graph represent a linear or nonlinear function?

The frequency y (in terahertz) of a light wave is a function of its wavelength x (in nanometers). Is the function relating the wavelength of light to its frequency linear or nonlinear?

Th e table shows the height h (in feet) of a willow tree after x years.Does the table represent a linear or nonlinear function?

A birch tree is 9 feet tall and grows at a rate of 2 feet per year. Determine whether the function relating the year to height of the birch tree is linear or nonlinear.