Question 3-5

.Question 3 0/1 pt 2 98 @ Details In 1991, the moose population in a park was measured to be 3200. By 1999, the population was measured again to be 2080. If the population continues to change linearly: Find a formula for the moose population, P, in terms of t, the years since 1990. P(t) = What does your model predict the moose population to be in 2009? Question Help: Video Message instructor Submit Question . Question 4 0/1 pt 9 2 98 @ Details Suppose that the world's current oil reserves is R = 2010 billion barrels. If, on average, the total reserves is decreasing by 15 billion barrels of oil each year, answer the following: A.) Give a linear equation for the total remaining oil reserves, R, in billions of barrels, in terms of t, the number of years since now. (Be sure to use the correct variable and Preview before you submit.) R= B.) 9 years from now, the total oil reserves will be billions of barrels. C.) If no other oil is deposited into the reserves, the world's oil reserves will be completely depleted (all used up) approximately years from now. (Round your answer to two decimal places.) Question Help: Video Message instructor Submit Question . Question 5 0/1 pt 9 2 7 98 0 Details You are choosing between two different cell phone plans. The first plan charges a rate of 19 cents per minute. The second plan charges a monthly fee of $44.95 plus 8 cents per minute. How many minutes would you have to use in a month in order for the second plan to be preferable? Round up to the nearest whole minute. minutes Question Help: Video Message instructor Submit