Question

A population of 75 foxes in a wildlife preserve quadruples in size every 15 yr. the function is y = 75 x 4^x, where x is the number of 15-yr periods, models the population growth. How many foxes will there be after 45 yr? Help asap

Answer 1

4800

Explanation:

→ Find how 15yr periods there are in 45 years

45 ÷ 15 = 3

→ Substitute this value as x into the equation

75 × 4³ = 4800