The answer is definitely 31
50% is the probability of one landing on tails
Answer:
Triangle
Step-by-step explanation:
The triangle has the formula that have b*h/1/2.
Check the picture below.
notice the solid circle at -4 and 3, since it includes those points.
also notice the dashed line, though the lines keeps on going those ways, is not included in the piece-wise, since it's not part fo the domain or constraints.