puppy A weighs 4 1/6 pounds at Birth, and gain 3/4 pounds each week. Puppy B weighs 5 2/3 at birth and gains 1/2 each week. How
1 answer:
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Answer:
1. Equilibrium solution: y= -3
2. Equilibrium solution y= ±1.414
Step-by-step explanation:
Thinking process:
The equilibrium solution can only be derived when
1. Let's look at the first equation:
equating to the expression
gives
y + 3 = 0
y = -3
Therefore, the equilibrium solution occurs at y = -3
2. Let's look at the second solution:
dividing each side by (t²-1) gives
1/(t²-1) = (y²-2)/ (y²-4)
factorizing the right hand side gives:
at equilibrium: , then
y² - 2 = 0
solving for y gives y = ±√2
= ±1.414
Answer:
The population in 11 years will be of 53,199.
Step-by-step explanation:
Equation for a population that doubles every n years.
The population of an specie, after t years, considering that is doubles after n years, is given by an equation in the following format:
In which P(0) is the initial population.
The population doubles every 15 years, and the current population is 32,000
This means that . So
What will be the population in 11 years?
This is P(11). So
The population in 11 years will be of 53,199.