Which formula can be used to describe the sequence?
f(x + 1) = f(x)
f(x + 1) = -x)
f(x) = f(x + 1)
4
f(x) = -2(x + 1)

mean, 40.6

step-by-step explanation:

thats not a system of equations, that is a solution

answer: the four apples you took away.

step-by-step explanation:

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: