Answer:
y=floor(x)+4
Step-by-step explanation:
The things that are around the x means the whole part of x, for example the whole part of 1.5 is 1, so when you graph y= floor(x) you get something like y=x, now to move it up you look when x=0 and you get that y=4 so the function is y= floor(x)+4.
