Since you already have the equation, all you need to do is pick two values of x.
For example, when x = 0, you get y = 7/4(0) + 2 = 2. So the line passes through the point (0, 2). When x = 4 (picked to cancel the 4 in the fraction), you get y = 7/4(4) + 2 = 9, so the line also passes through the point (4, 9).
You can describe an entire line by any two points that it contains. So plot these two points, then connect the dots with a line passing through them both.
Toddlers are most likely to become more curious and would want to start wondering from your presence but nothing will change between you too just that he/she will start becoming more active but the real shins hip will change if the child is scared of you.
I hope this helps
-mk
You didn't specify, but a human should be awake no longer than 16 hours a day (if this is what you meant)