Answer:
-31
Step-by-step explanation:
15+(-46)=(-31)
-6
add -3n and -4n= -7n
add 17 to 25
-7n=42
n=-6
You are correct
for example f(1) = 3
and f(2) = f(2-1) - 2
= f(1) - 2
= 3 - 2 = 1
