Can you pls help meSimplify 6+(-11)

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?