Answer:
None of those 3 pictures
Step-by-step explanation:
To determine if the graph is a function, do the vertical line test. If the line goes through just 1 point, it is a function. If not, then it is not a function.
about 300
21200 rounded is 21000 and 6575 rounded is 7000
21000÷7000=300
x = 31 °
90 = 58 + x
x = 90 - 58
