Answer:a
Step-by-step explanation:
Answer:
Probability is O %
Step-by-step explanation:
Answer:
21. is 18 dollars
22. is 75 dollars
Step-by-step explanation:
1)x+1) has positive slope, it is only A or B
2) For f(x)=4 we have x≥1, so this graph should begin with black dot.
3)So answer is B
Blue dot should be empty.
Orange dot should be black.