A pheasant farmer started her farm with 120 pheasants. An analysis of her records should that her pheasant population had increased by 15% each year. The farmer wants to determine a model of pheasant population growth using an exponential function. According to her model, what will the pheasant population be in 10 years?

Step-by-step explanation:

We would apply the formula for exponential growth which is expressed as

y = b(1 + r)^ t

Where

y represents the population after t years.

t represents the number of years.

b represents the initial population.

r represents rate of growth.

From the information given,

b = 120

r = 15% = 15/100 = 0.15

Therefore, the model of pheasant population growth is

y = 120(1 + 0.15)^t

y = 120(1.15)^t

When t = 10 years,

y = 120(1.15)^10

y = 485

The population would be 485 pheasants

21/58.

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change of stock price/initial stock price on friday * total stock value = change of stock value

0.89/73.73 *x = 42.72

x=3539.04 = total stock value at initial stock price on friday .

total stock value at initial stock price on friday/ initial stock price on friday = number of shares

3539.04/73.73 = 48 shares

they own 48 shares of this stock