Based on the graph of the function shown, identify the range of the function.
a) all real numbers between -6 and +2
b) [ -6, -1] u [ -1, 2 ]
c) all real numbers between -8 and 4
d) {y | -6 < y < 2 }

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?