Matlab plotting

The relationship between the temperature measurement units (Celsius, Fahrenheit, kelvin) is given by : k = c +273

F = (9/5)*c + 32

Plot three figures and post them;

Figure 1 shows the kelvin and Fahrenheit measurements as a function of Celsius for c E [-20,40]

Figure 2 shows the Celsius and Fahrenheit measurements as a function of kelvin for k E [253,313]

Figure 3 shows the Celsius and kelvin measurements as a function of Fahrenheit for F E [-4.104]

Note: you are giving only two equations, you need to derive the rest.