Answer:
B, C, D, and F
Step-by-step explanation:
The graph is an exponential curve rising upwards. By looking at the graph we can tell that the graph is only increasing, it touches the y-axis at 30 and it lies in the 1st quadrant.
So, option A is wrong, as the graph is increasing.
Option B is correct. The point where graph crosses/touches the y-axis is the y-intercept. So the y-intercept is 30.
Option C is correct. As the graph lies in 1st quadrant and is positive over the entire range of values.
Option D is also correct as the graph is increasing over entire range of values.
Option E is incorrect as y-intercept is 30.
Option F is correct. Since the graph is increasing, this means with every passing year the number of dolphins is increasing.
Therefore, the correct options are: B, C, D, and F
Answer:
x 1/3
Step-by-step explanation:
Answer:
Neither of the two groups of students is right.
Step-by-step explanation:
If the probability that Jessica will win the raffle this year was 
, the probability that she will win the raffle in subsequent years is given that the number of students do not change. Since this is a random win, she as likely to win next year as she was this year.
Another way to explain this is to say that the probability of Jessica winning the raffle this year is independent of the probability that she wins the raffle next year. Suppose event A, is the event that Jessica wins the raffle this year, let event B be the event that she wins the raffle next year, event A and B are independent because the occurrence of event A does not affect the occurrence of event B in any way
