Question 1047379
The temperature is the dependent variable, because it depends upon the time of day.  As the time changes, the temperature changes.  That puts temperature on the y-axis and time, which can be controlled or chosen, on the x-axis.  The graph's labels would be temperature on the y and time on the x-axis, although specific hours aren't used here, but only the idea of the variability of temperature over time.
{{{graph(300,300,-1,6,-10,80,50+20*sin(x))}}}