In 1991, the moose population in a park was measured to be 4,360. By 1999, the population was measured again to be 5,880. Assume the population continues to change linearly.
Find a formula for the moose population,
P since 1990.
What does your model predict the moose population to be in 2003?
In 2003, the owl population in a park was measured to be 340. By 2007, the population was measured again to be 285. The population changes linearly. Let the input be years since 1990.
Find a formula for the owl population,
Let the input be years since 2003.
What does your model predict the owl population to be in 2012?
Suppose the world’s oil reserves in 2014 are 1,820 billion barrels. If, on average, the total reserves are decreasing by 25 billion barrels of oil each year:
Give a linear equation for the remaining oil reserves,
in terms of
the number of years since now.
Seven years from now, what will the oil reserves be?
If the rate at which the reserves are decreasing is constant, when will the world’s oil reserves be depleted?
You are choosing between two different prepaid cell phone plans. The first plan charges a rate of 26 cents per minute. The second plan charges a monthly fee of $19.95
plus 11 cents per minute. How many minutes would you have to use in a month in order for the second plan to be preferable?
You are choosing between two different window washing companies. The first charges $5 per window. The second charges a base fee of $40 plus $3 per window. How many windows would you need to have for the second company to be preferable?
Abiotic factors are non living components of ecosystem.These include physical and chemical elements like temperature,light,water,soil,air quality and oxygen etc