Answer:
f(3) = 100.
Step-by-step explanation:
Given: f(n+1) = -10 f(n). If f(1)=1,
To find : A sequence is defined by the recursive function.find f(3)
Solution : we have given
f(n+1) = -10 f(n). If f(1)=1,
For n = 1.
F(1+1) = - 10 f( 1) .
Plug the value of f(1) = 1
f(2) = - 10 * 1.
f(2) = - 10.
Then , n = 2.
f(2 + 1) = -10 f( 2) .
Plug f(2) = - 10 .
f(3) = - 10 ( -10) .
f(3) = 100.
Therefore, f(3) = 100.
