Try another version of this question Get help: Box 1: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c
Box 2: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
A population of beetles are growing according to a linear growth model. The initial population (week 0) is `P_0 = 9`, and the population after 8 weeks is `P_8 = 41`.
Find an explicit formula for the beetle population after `n` weeks.
`P_n` =
After how many weeks will the beetle population reach 129?
weeks
Be sure your variables match those in the question `9 + n*4`
Enter DNE for Does Not Exist, oo for Infinity 30