Question

Find f(1), f(2), f(3), and f(4) for the function represented by each rule.

f(n)= -2n

Answer 1

f(1), plug in 1 for n in the function f(n):
f(1) = -2(1)
f(1) = -2

Do this for the rest of the values:
f(2) = -2(2) = -4
f(3) = -2(3) = -6
f(4) = -2(4) = -8