Answer:
4800
Step-by-step explanation:
Given the function
y = 75 × [tex]4^{x}[/tex]
x is the number of 15 year periods
45 years has 3 15 year periods , thus x = 3
Substitute x = 3 into the function and solve for y
y = 75 × 4³ = 75 × 64 = 4800
There will be 4800 foxes after 45 years
